A man kneels near flowers, candles, US and rainbow flags in front of the US embassy in Berlin on June 13, 2016 as people pay tribute to the victims of the Orlando killing. Fifty people died when a gunman allegedly inspired by the Islamic State group opened fire inside a gay nightclub in Florida, in the worst terror attack on US soil since September 11, 2001. / AFP / John MACDOUGALL (Photo credit should read JOHN MACDOUGALL/AFP/Getty Images)
