French President Emmanuel Macron, U.S. President Donald Trump and First Lady Melania Trump attend the traditional Bastille Day military parade on the Champs-Elysees in Paris, France, July 14, 2017. REUTERS/Gonzalo Fuentes

The U.S. Air Force Thunderbirds fly over the Arc de Triomphe du Carrousel during the traditional Bastille Day military parade in Paris, France, July 14, 2017. REUTERS/Philippe Wojazer TPX IMAGES OF THE DAY

French President Emmanuel Macron and U.S. President Donald Trump attend the traditional Bastille Day military parade on the Champs-Elysees in Paris, France, July 14, 2017. REUTERS/Yves Herman TPX IMAGES OF THE DAY

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATH Israeli policemen check the body of an assailant after he was shot dead by Israeli police at the compound known to Muslims as Noble Sanctuary and to Jews as Temple Mount, in Jerusalem's Old City July 14, 2017 REUTERS/Ammar Awad TPX IMAGES OF THE DAY

Former U.S. President Bill Clinton (L) and former U.S. President George W. Bush participate in a moderated conversation at the graduation class of the Presidential Leadership Scholars program at the George W. Bush Presidential Library in Dallas, Texas, U.S., July 13, 2017. REUTERS/Brandon Wade

Revelers run from the Fire Bull, a man carrying a bull figure packed with fireworks, at the San Fermin festival in Pamplona, northern Spain, July 13, 2017. REUTERS/Susana Vera TPX IMAGES OF THE DAY

2017 Kids Choice Sport Awards – Show – Los Angeles, California, U.S., 13/07/2017 - Olympic swimmer Michael Phelps is covered in gold "slime" as he accepts the Legend Award. REUTERS/Mario Anzuoni

Synchro – 17th FINA World Aquatics Championship – Solo Technical Women preliminary – Budapest, Hungary – 14 July 17 – Jacqueline Simoneau of Canada competes. REUTERS/Michael Dalder

Bouncer Mehrunnisha Shokat Ali offers her evening prayer during holy month of Ramadan at her house in New Delhi, India, May 31, 2017. REUTERS/Adnan Abidi SEARCH "DELHI BOUNCER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY

People attend a flag-raising ceremony at the Tiananmen Square in Beijing, China July 14, 2017. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY

French President Emmanuel Macron (2ndL) and his wife Brigitte (L) tour Napoleon's Tomb with US President Donald Trump (2ndR) and First Lady Melania Trump (R) at Les Invalides museum in Paris, France, July 13, 2017. REUTERS/Ian Langsdon/Pool TPX IMAGES OF THE DAY

Vehicles used for suicide car bombings, made by Islamic State militants, are seen at Federal Police Headquarters after being confiscated in Mosul, Iraq July 13, 2017. REUTERS/Thaier Al-Sudani

A pro-democracy activist cries over the death of Nobel Laureate Liu Xiaobo, outside China's Liaison Office in Hong Kong, China July 13, 2017. REUTERS/Bobby Yip

A wild cow hits a reveller with its hoof as it enters the bullring following the seventh running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 13, 2017. REUTERS/Susana Vera

Members of Afghan robotics girls team arrive to receive their visas from the U.S. embassy in Kabul, Afghanistan July 13, 2017.REUTERS/Mohammad Ismail

Anzor Gubashev and Zaur Dadayev, convicted of involvement in the killing of Russian opposition leader Boris Nemtsov, sits inside the defendants' cage during their sentencing hearing at the Moscow military district court, Russia, July 13, 2017. REUTERS/Tatyana Makeyeva TPX IMAGES OF THE DAY

Supporters of President Tayyip Erdogan wave Turkish flags during a trial for soldiers accused of attempting to assassinate the president on the night of the failed last year's July 15 coup, in Mugla, Turkey, July 13, 2017. REUTERS/Kenan Gurbuz TPX IMAGES OF THE DAY

A girl rests on a rickshaw (parked along a street in Karachi Pakistan July 13, 2017. REUTERS/Akhtar Soomro TPX IMAGES OF THE DAY

Australian Army Major General Gus McLachlan is pictured alongside a U.S. Army Grey Eagle drone as he addresses dignitaries at the Talisman Saber joint military exercises between Australia and the United States at Williamson Airfield in northeast Australia, July 13, 2017. REUTERS/Jason Reed TPX IMAGES OF THE DAY

Cycling - The 104th Tour de France cycling race - The 214.5-km Stage 12 from Pau to Peyragudes, France - July 13, 2017 - Firefighters cheer on the peloton on their stationary bikes. REUTERS/Christian Hartmann TPX IMAGES OF THE DAY

Honour guards perform during military drill at navy base in Kaohsiung, Taiwan July 13, 2017. REUTERS/Tyrone Siu TPX IMAGES OF THE DAY

A Gambian soldier plays the piano inside a house in former Gambian President Yahya JammehÕs estate in Kanilai, Gambia July 1, 2017. Picture taken July 1, 2017. REUTERS/Emma Farge

A dusty champagne bottle from an edition commemorating the day former Gambian President Yahya Jammeh came to power is seen in his estate in Kanilai, Gambia July 1, 2017. Picture taken July 1, 2017. REUTERS/Emma Farge

Women in yukatas, or casual summer kimonos, take their selfie in front of paper lanterns during the annual Mitama Festival at the Yasukuni Shrine, where more than 2.4 million war dead are enshrined, in Tokyo, Japan July 13, 2017. REUTERS/Kim Kyung-Hoon TPX IMAGES OF THE DAY

A giant blue whale skeleton is unveiled in the Hintze Hall at the Natural History Museum, London, Britain July 13, 2017. REUTERS/Hannah McKay TPX IMAGES OF THE DAY

A herd of elephants cross a road that passes through the flooded Kaziranga National Park in the northeastern state of Assam, India, July 12, 2017. Picture taken July 12, 2017. REUTERS/Anuwar Hazarika

An Israeli youth swims in a natural spring water pool to cool off on a summer day near outskirts of Jerusalem July 13, 2017. REUTERS/Ammar Awad

Philippine National Police chief Ronald Bato Dela Rosa holds an M60 machine gun during a Gun and Ammunition show at a mall in Mandaluyong city, metro Manila, Philippines July 13, 2017. REUTERS/Dondi Tawatao

U.S. President Donald Trump and First Lady Melania Trump arrive aboard Air Force One at Orly airport near Paris, France, July 13, 2017. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

Maria Pilar Abel, who claims to be the daughter of surrealist Spanish artist Salvador Dali, attends an interview with Reuters in Madrid, Spain July 13, 2017. REUTERS/Juan Medina