Tha Sophat suckles milk from a cow in Nokor Pheas village, Nokor Chum district in Siem Reap September 11, 2011. The 18-month-old Cambodian boy has been feeding himself by suckling directly from a cow as part of his daily meals since his parents left to work in Thailand, the child's grandfather told Reuters. Um Oeung, 46, said that his grandson Tha Sophat has been suckling from a cow for a month now after the family's home was swept away by a storm last year, leaving behind a total debt of $1000. REUTERS/Samrang Pring (CAMBODIA - Tags: ANIMALS SOCIETY TPX IMAGES OF THE DAY) FOR BEST QUALITY IMAGE SEE: GM1E79T1CXD01

People watch the Breitling Jet Team perform aerobatics over the Mediterranean Sea from a beach in Tel Aviv October 19, 2011. The team, flying seven L-39 Albatros jets, are the largest civilian aerobatic display team in Europe and are based in Dijon, France. REUTERS/Amir Cohen (ISRAEL - Tags: SPORT TRANSPORT SOCIETY)

Forces loyal to Libya's interim rulers fire rockets from an area about 2 km from the centre of the coastal city of Sirte September 28, 2011. REUTERS/Anis Mili (LIBYA - Tags: POLITICS CIVIL UNREST)

Park manager Karen Grant and her husband Bruce take their dog for a walk at the Bare Oaks Family Naturist park in Sharon June 8, 2011. The International Naturist Federation says "Naturism is a way of life in harmony with nature, characterized by the practice of communal nudity, with the intention of encouraging respect for oneself, respect for others and for the environment." REUTERS/Mark Blinch (CANADA - Tags: SOCIETY)

Demonstrators clash with riot policemen during a rally against the public state education system in Santiago October 6, 2011. Chilean students are demanding free and better state education, as well as for an end to profit-making in the public state education system. REUTERS/Ivan Alvarado (CHILE - Tags: POLITICS CIVIL UNREST EDUCATION TPX IMAGES OF THE DAY)

A riot policeman punches Greek photojournalist Tatiana Bolari during a demonstration in Athens' Syntagma (Constitution) square October 5, 2011. Police officers attacked several members of the press covering Wednesday's protests, injuring at least two members of the media. REUTERS/Yannis Behrakis (GREECE - Tags: POLITICS BUSINESS MEDIA TPX IMAGES OF THE DAY)

A man covered in his own blood, escapes after a group of leftist protesters tried to lynch him while accusing him of being a fascist during a protest in Athens' Syntagma (Constitution) square October 5, 2011. Police fired tear gas at stone-throwing youths in central Athens Wednesday, where thousands of striking state sector workers marched against cuts the government says are needed to save the nation from bankruptcy. REUTERS/Yannis Behrakis (GREECE - Tags: POLITICS BUSINESS TPX IMAGES OF THE DAY EMPLOYMENT) FOR BEST QUALITY IMAGE SEE: GM1E7A61CY001

Anti-Gaddafi fighters stand outside a village near Sirte, Muammar Gaddafi's hometown and one of his last remaining strongholds, September 20, 2011. Littered in the foreground are spent bullet casings. REUTERS/Goran Tomasevic (LIBYA - Tags: CIVIL UNREST POLITICS CONFLICT TPX IMAGES OF THE DAY)

Devotees of the Bang Neow Chinese Shrine stand amidst exploding firecrackers as they take part in a procession in celebration of the vegetarian festival in Phuket October 2, 2011. The festival celebrates the local Chinese community's belief that abstinence from meat and various stimulants, during the ninth lunar month of the Chinese calendar, will help them
obtain good health and peace of mind. REUTERS/Dario Pignatelli (THAILAND - Tags: RELIGION SOCIETY TPX IMAGES OF THE DAY)

An anti-Gaddafi fighter fires a mortar during a battle in a village near Sirte, one of Muammar Gaddafi's last remaining strongholds September 17, 2011. REUTERS/Goran Tomasevic (LIBYA - Tags: CIVIL UNREST)

Chris "The Duchess" Walton shows off her Guinness world record holding fingernails outside the New York Public Library in New York September 14, 2011. Her nails measure 10 feet 2 inches on her left hand and 9 feet 7 inches on her right hand that she has been growing for 18 years. REUTERS/Shannon Stapleton (UNITED STATES - Tags: SOCIETY TPX IMAGES OF THE DAY)

BASE jumper Dan Smith of Wollongong, Australia leaps with a parachute off Kuala Lumpur Tower September 29, 2011. REUTERS/Bazuki Muhammad (MALAYSIA - Tags: SOCIETY)

ATTENTION EDITORS - IMAGE 10 OF 40 OF PACKAGE 'RAVENS RULE THE SKIES'. SEARCH 'BALTIMORE RAVENS' FOR ALL IMAGES
A participant checks-in during the first day of tryouts for the Baltimore Ravens cheerleaders in Baltimore, Maryland, March 5, 2011. Cheerleader talent is strong along the east coast and candidates drive to Baltimore for team tryouts each March hoping to join the squad. Hundreds of competitors face three intense days of sudden-death eliminations against returning team members expecting to make the squad. Picture taken March 5, 2011. REUTERS/Jason Reed (UNITED STATES - Tags: SPORT)

A rebel on crutches fires a rocket propelled grenade while fighting on the front line in Sirte September 24, 2011 REUTERS/Anis Mili (LIBYA - Tags: CONFLICT MILITARY TPX IMAGES OF THE DAY) FOR BEST QUALITY IMAGE SEE: GM1E7AR1RJY01

Rihanna performs at the Nilson Nelson Arena in Brasilia
as part of the "Loud" tour September 21, 2011. REUTERS/Ueslei Marcelino (BRAZIL - Tags: ENTERTAINMENT TPX IMAGES OF THE DAY)

Andrew Cotton of Britain rides a wave during a tow-in surfing competition in Nazare November 23, 2011. REUTERS/Rafael Marchante (PORTUGAL - Tags: SPORT TPX IMAGES OF THE DAY)

Inhabitants of Faroe Islands catch and slaughter pilot whales (Globicephala melaena) during the traditional 'Grindadrap' (whale hunting in Faroese) near the capital Torshavn, November 22, 2011. Residents of the Faroe Islands, an autonomous province of Denmark, slaughter and eat pilot whales every year. The Faroese are descendents of Vikings, and pilot whales have been a central part of their diet for more than 1,000 years. They crowd the animals into a bay and kill them. 'Grindadrap' whaling is not done for commercial purposes, the meat can not be sold and is divided evenly between members of the local community. REUTERS/Andrija Ilic (FAROE ISLANDS - Tags: ANIMALS SOCIETY ENVIRONMENT TPX IMAGES OF THE DAY)

A protester runs after setting fire to a car during clashes with police in front of the Security Administrative building in Alexandria November 23, 2011. After six days of violence that has killed more than 30 and four days before voting for parliament begins, there was no sign of an end to the confrontation between Egypt's military rulers and liberals keen to complete a revolt that ousted Hosni Mubarak in February by installing an interim civilian administration. REUTERS/Mohamed Abd El-Ghany (EGYPT - Tags: CIVIL UNREST POLITICS TPX IMAGES OF THE DAY)

A demonstrator is hit by a jet of water as they clash with riot police during a protest to demand for changes to the public state education system in Santiago November 18, 2011. Chilean students have been protesting against what they say is the profiteering in the state education system, local media reported. REUTERS/Ivan Alvarado (CHILE - Tags: CIVIL UNREST POLITICS EDUCATION BUSINESS SOCIETY TPX IMAGES OF THE DAY)

Soldiers of a special forces unit walk after a military exercise in Tibi, near Alicante, November 18, 2011. REUTERS/Heino Kalis (SPAIN - Tags: MILITARY)

Nurlan Alisherov (L), a 35-year-old unemployed, makes an attempt to include his achievements to the Guinness World Records book in Ala-Too square in the capital Bishkek November 28, 2011. Alisherov managed to pull out from a stock 20 battered down nails with his teeth during a minute, to carry a man, weighing 55 kilos and sitting on a stool, in his mouth making the distance of 120 metres and to pull a 12-ton bus for 33 metres with his mouth, according to local media. REUTERS/Vladimir Pirogov (KYRGYZSTAN - Tags: SOCIETY)

A long-tailed macaque licks an ice cube with fruits encased in it during the annual Monkey Buffet Festival at the Pra Prang Sam Yot temple in Lopburi, 150km (94 miles) north of Bangkok November 27, 2011. The festival provides food and drinks to the local monkey population, which numbers more than 2,000, to thank them for drawing tourists to the town. REUTERS/Damir Sagolj (THAILAND - Tags: ANIMALS SOCIETY TRAVEL TPX IMAGES OF THE DAY)

Grower Pete Glazebrook poses for photographers with his onion weighing 17lb 15.5oz (8.150kg), that now holds the world record holder for being the heaviest onion, at the Harrogate Autumn Flower Show in Harrogate, northern England September 16, 2011. The show marking its 100th year, has introduced a giant vegetable class for the first time. REUTERS/Nigel Roddis (BRITAIN - Tags: AGRICULTURE ENVIRONMENT SOCIETY TPX IMAGES OF THE DAY)

A woman living in a slum near the Ghazipur landfill uses coal to brush her teeth in New Delhi November 10, 2011. Just a few kilometres from the impressive Akshardham temple, where Indian and foreign tourists flock to see the structure's sandstone and marble work, the 29-hectare, slum-surrounded Ghazipur landfill in east Delhi seems a world apart. Picture taken November 10, 2011. To match INDIA-RECYCLERS/ REUTERS/Parivartan Sharma (INDIA - Tags: SOCIETY POVERTY BUSINESS EMPLOYMENT)

Competitors backstage during a bodybuilding competition in Budapest November 20, 2011. REUTERS/Laszlo Balogh (HUNGARY - Tags: SOCIETY SPORT)

Army veteran Cassandra Lewis, 52, sits in the garden at New Directions women's house, a long-term transitional program for female veterans dealing with issues of homelessness, trauma and addiction, in Los Angeles, California, November 18, 2011. Los Angeles Homeless Service Authority's recently released Greater Los Angeles Homeless Count included a 51% increase in the number of female veterans living on the streets. REUTERS/Lucy Nicholson (UNITED STATES - Tags: MILITARY SOCIETY TPX IMAGES OF THE DAY)

Yang Weihao's mother (R) helps her son put on a mask at their home in Zhuanji town, Anhui province November 15, 2011. Yang was severely burnt in a fire in June and has to wear a surgical mask and a pair of gloves to prevent the wounds from becoming infected. He has had two skin-graft surgeries but stopped treatment due to a lack of funds, according to local media. Yang's family said a local hospital has agreed to treat Yang for free after learning of his plight. Picture taken November 15, 2011. REUTERS/Stringer (CHINA - Tags: SOCIETY HEALTH)

Fog covers the valleys behind as a man is abseiled from a cable car during an annual rescue exercise at the funicular to Mount Pilatus (2,128 m/6,982 ft) near Luzern November 9, 2011. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SOCIETY CITYSPACE)

A bodyfitness category participant prepares backstage before the third "Strongo Cup" open amateur bodybuilding and body fitness tournament at the Opera and ballet theatre in Russia's Siberian city of Krasnoyarsk, November 5, 2011. REUTERS/Ilya Naymushin (RUSSIA - Tags: SPORT SOCIETY)

Smoke rises from a fire at naval base in Tripoli September 24, 2011. Gunmen patrolling at the facility said the fire had started in a warehouse used to store paint and oils, sending huge plumes of smoke into the sky. REUTERS/Ismail Zitouny (LIBYA - Tags: DISASTER TPX IMAGES OF THE DAY)

A teacher (R) helps a student to stretch during a physical training session in Peking Opera at an art school affliated to Shenyang Normal University in Shenyang, Liaoning province, November 3, 2011. The art school's Peking Opera department has more than 200 students aged 4 to 17-years-old. Students are required to complete 12 years of training before they are able to take the national college entrance examination to attend art colleges, according to local media. REUTERS/Sheng Li (CHINA - Tags: SOCIETY EDUCATION TPX IMAGES OF THE DAY)

A woman, made up to look like a zombie, takes part in a zombie parade in Sao Paulo November 2, 2011. Hundreds of people took part in the parade through the city centre. REUTERS/Nacho Doce (BRAZIL - Tags: SOCIETY TPX IMAGES OF THE DAY)

Anti-Gaddafi fighters show the personal pistol of Muammar Gaddafi to the media during a news conference in Misrata October 23, 2011. REUTERS/Thaier al-Sudani (LIBYA - Tags: CONFLICT SOCIETY POLITICS CIVIL UNREST)

ATTENTION EDITORS - 15 OF 21 PICTURES TO MATCH PACKAGE 'WORLD POPULATION - SEVEN BILLION' - TO FIND ALL PICTURES SEARCH 'POPULATION-BABY/'
Indian children ride in a cart on the way home from school in the outskirts of New Delhi in this file picture taken, February 26, 2001. The world?s population will reach seven billion on 31 October 2011, according to projections by the United Nations, which says this global milestone presents both an opportunity and a challenge for the planet. While more people are living longer and healthier lives, says the U.N., gaps between rich and poor are widening and more people than ever are vulnerable to food insecurity and water shortages. REUTERS/Pawel Kopcznski/Files (INDIA HEALTH SOCIETY IMAGES OF THE DAY) BEST QUALITY AVAILABLE

Patrick Pendville, founder of Animatrans, shows a resin mask depicting the face of a dead pet dog in his shop in Brussels September 30, 2011. Animatrans has been organizing funerals for pets and other animals since 1995, and for the past five years, the company has been providing more personalised services. Owners, who want to keep lasting mementos of their pets, could choose to keep their ashes or erect tombs in a dedicated cemetery for animals. Clients could also have their dead pets stuffed by a taxidermist and even request to create resin masks depicting the faces of their pets. Picture taken on September 30, 2011. REUTERS/Yves Herman (BELGIUM - Tags: ANIMALS BUSINESS SOCIETY TPX IMAGES OF THE DAY)

Dead seabirds are seen on the shore as thick fuel-oil from the stricken container ship Rena fouls beaches at Papamoa, near Tauranga October 12, 2011. The 47,230-tonne Liberian-flagged Rena has been stranded on a reef 12 nautical miles off Tauranga on the east coast of New Zealand's North Island since running aground a week ago and authorities estimated 300 tonnes of oil have escaped from the ship, causing the country's worst environmental disaster in decades. REUTERS/Mike Hutchings (NEW ZEALAND - Tags: ENVIRONMENT DISASTER BUSINESS ANIMALS ENERGY)

Men wrestle during an annual buffalo-racing ceremony at Virhear Sour village in Kandal province, 30 km (18 miles) southeast of Phnom Penh September 27, 2011. The ceremony, which started more than 70 years ago, is held to honour the Neakta Preah Srok pagoda spirit. It also marks the end of the Festival of Pchum Ben, which lasts from September 13 to September 27. REUTERS/Samrang Pring (CAMBODIA - Tags: SOCIETY)

EDITORS' NOTE: Reuters and other foreign media are subject to Iranian restrictions on their ability to report, film or take pictures in Tehran.

A member of the Iranian paramilitary group performs during the "Soft War" exhibition in the south of Tehran September 22, 2011. A paramilitary group held the exhibition, which is based on the concept of anti-U.S., anti-Israel and anti-TV channels abroad, to mark the anniversary of the Iran-Iraq war, according to the organisers. REUTERS/Morteza Nikoubazl (IRAN - Tags: POLITICS SOCIETY ANNIVERSARY MILITARY TPX IMAGES OF THE DAY)

Officials stand next to the carcass of an unidentified whale at Clifton beach in Karachi September 20, 2011. A dead whale was seen washed up on the beach early Tuesday morning and authorities have initiated efforts to remove its carcass, local media reported. REUTERS/Athar Hussain (PAKISTAN - Tags: SOCIETY ANIMALS ENVIRONMENT)

Revellers frolic in grape pulp during the annual grape battle in the village of Binissalem on the Spanish island of Mallorca September 17, 2011. Binissalem celebrates its wine tradition with the fiesta every year at the end of the grape harvest. REUTERS/Enrique Calvo (SPAIN - Tags: SOCIETY TPX IMAGES OF THE DAY)

Shakeel Sheikh, 24, puts dead rats in a plastic bag while making a count outside a residential complex in Mumbai October 17, 2011. About 44 night rat killers are employed by pest control department of Brihanmumbai Municipal Corporation (BMC) to kill the rodents in the city. Employees of the pest control department get a salary of 15,000 to 17,000 Indian Rupees ($294 to $333) while the contract labourers are paid 5 Indian rupees ($0.10) per rat they kill. The rat killers are expected to kill at least 30 rodents per night and hand over the carcasses to civic officials in the morning. If they fall short by even one rodent, they are expected to make it up the next night else they stand to lose a day's pay. Mumbai is the only city in the world which employs full-time night rat killers. Picture taken October 17, 2011. REUTERS/Danish Siddiqui (INDIA - Tags: SOCIETY ANIMALS BUSINESS EMPLOYMENT)

A Lebanese commando displays his skills as he glides on a rope decorated with a Lebanese flag during a military manoeuvre as part of the Security Middle East Show (SMES) in Beirut, November 29, 2011. SMES features the latest technologies in the security and military fields. The show will last till November 30. REUTERS/Sharif Karim (LEBANON - Tags: MILITARY)

Miss Sweden 2011 Ronnia Fornstedt (L), Miss Germany 2011 Valeria Bystritskaia and Miss Argentina 2011 Natalie Rodriguez (3rd L) attend a samba dance class at Vila Maria samba school in Sao Paulo September 4, 2011. The contestants are in Sao Paulo for the 2011 Miss Universe pageant which will be held on September 12. REUTERS/Paulo Whitaker (BRAZIL - Tags: SOCIETY ENTERTAINMENT)

A drug addict cleans the pigpen at the employment base of "Harmonious Home" Rehabilitation Community, on the outskirts of Kunming, capital of southwest China's Yunnan province, November 30, 2011. About 297 drug addicts live and work at the community, which was built in 2006 as a public service agency for drug rehabilitation established by the Kunming government's public security department, with 513 low-rent single apartments and family suites and other supporting facilities such as hospital, kindergarten, supermarket and sports fitness centre. Drug addicts can volunteer to apply and enter into it to get free training on labour production skills and work at its employment base. REUTERS/Jason Lee (CHINA - Tags: HEALTH CRIME LAW DRUGS SOCIETY ANIMALS)