Children play on a slide as a rainbow forms overhead at a makeshift camp for refugees and migrants at the Greek-Macedonian border near the village of Idomeni, Greece, May 22, 2016. Photo: Reuters
U.S. President Barack Obama shakes hands with Vietnam's President Tran Dai Quang after an arrival ceremony at the presidential palace in Hanoi, Vietnam May 23, 2016. Photo: Reuters
Director Ken Loach, Palme d'Or award winner for his film "I, Daniel Blake", reacts during the closing ceremony of the 69th Cannes Film Festival in Cannes, France, May 22, 2016. Photo: Reuters
Russian President Vladimir Putin congratulates Corey Perry of Canada during the victory ceremony after the final game of Ice Hockey2016 IIHF World Championship against Finland in Moscow, Russia on May 22, 2016. Photo: Reuters
Residents look at buildings which were damaged during security operations and clashes between Turkish security forces and Kurdish militants, in Sur district of Diyarbakir, Turkey May 22, 2016. Photo: Reuters
A man is detained during an anti government rally, as Chile's President Michelle Bachelet delivers a speech inside the National Congress, in Valparaiso city, Chile May 21, 2016. Photo: Reuters