A woman buys "rakhi," or traditional Indian sacred thread, in a Kolkata marketplace. | (REUTERS/Rupak De Chowdhuri)

The Columbian tall ship ARC Gloria is escorted by a slew of smaller boats as it arrives to participate in SAIL Amsterdam 2015, a festival celebrating the Dutch capital's maritime history. | (AP Photo/Cris Toala Olivares)

Syrian refugee children look out from their tent at a makeshift settlement in Saadnayel, Lebanon. | (REUTERS/Mohamed Azakir)

A peacock roosts in a tree in Crandon Park Gardens in Key Biscayne, Florida. | (AP Photo/Wilfredo Lee)

People crowd onto a beach in Dalian, China. | (REUTERS/Stringer)

Bailie Key competes during the P&G gymnastics championships at Bankers Life Fieldhouse in Indianapolis. | (REUTERS/Marc Lebryk-USA TODAY Sports)

An Afghan boy rides a bicycle across a dry lake in Kabul. | (REUTERS/Mohammad Ismail)

Russian President Vladimir Putin sinks into the Black Sea inside a research bathyscaphe during an expedition near Sevastopol, Crimea. | (REUTERS/Alexei Nikolsky/RIA Novosti/Kremlin)

Migrants wait to depart aboard a train heading toward Serbia, at a railway station in Gevgelija, Macedonia. | (AP Photo/Boris Grdanoski)

An airplane flies past a bank of clouds as the sun sets over Encinitas, California. | (REUTERS/Mike Blake)

A man sits in front of a flock of pigeons resting on a pile of bricks in Kathmandu, Nepal. | (REUTERS/Navesh Chitrakar)

Surfer Arlen Macpherson sits on his board, which has an electronic shark repellent device installed, at Sydney's Bondi Beach in Australia. | (REUTERS/David Gray)

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