German President Christian Wulff pays tribute in front of the coffin during the state funeral of former Czech President Vaclav Havel at Prague Castle's St. Vitus Cathedral December 23, 2011. International leaders bade farewell on Friday to Vaclav Havel, the anti-communist dissident who led the peaceful "Velvet Revolution" and inspired human rights campaigners around the world. REUTERS/Petr David Josek/Pool (CZECH REPUBLIC - Tags: POLITICS OBITUARY)