A murmuration of migrating starlings is seen across the sky in southern Israel December 31, 2015. (Photo by Amir Cohen/Reuters)

A Colombian Nukak Maku Indian boy gestures in a refugee camp at Agua Bonita near San Jose del Guaviare of Guaviare province September 3, 2015. Since emerging from the jungle in 2005, half naked and carrying blowpipes, the Nukak have lived in settlements near the frontier town of San Jose del Guaviare, a humid outpost in the Amazon 400 km (250 miles) southeast of the capital Bogota. (Photo by John Vizcaino/Reuters)

“Coming back home at 5am sunrise, I was just beginning to digest the grand event I was lucky to witness and cover: the wedding of the grandson of one of the most influential spiritual leaders in Israel’s ultra-Orthodox community...”. – Ronen Zvulun via Reuters. Photo: Ultra-orthodox Jewish wedding in Israel. Tens of thousands of Ultra-Orthodox Jews of the Belz Hasidic dynasty gather at the wedding ceremony of Rabbi Shalom Rokach in Kiryat Belz, in Jerusalem, on May 21, 2013. Around 25,000 ultra-orthodox Jews took part, making it one of the biggest weddings of the past few years. (Photo by Gil Cohen)

“Don't take the life too serious”. (Photo by David Olkarny)

Lightning strikes the Willis Tower (formerly Sears Tower) in downtown on June 12, 2013 in Chicago, Illinois. (Photo by Scott Olson/Getty Images)

Actor George Clooney is arrested with his father Nick Clooney (2R) during a demonstration outside the Embassy of Sudan March 16, 2012 in Washington, DC. United to End Genocide, the Enough Campaign and Amnesty International held a rally to call on the United States and world leaders to stop the violence in South Sudan and prevent hundreds of thousands of people from starving. (Photo by Win McNamee/Getty Images)