Samba dancers arrive to perform ahead of the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Jae C. Hong/AP Photo)

Saintsetseg Jambaldorj, a member of the Tsaatan ethnic minority, one of the last remaining groups of nomadic reindeer herders in East Taiga, Mongolia, wearing a traditional deel, on July 5, 2016. (Photo by Madoka Ikegami/Barcroft Images)

Female North Korean soldiers parade to mark the 60th anniversary of the signing of a truce in the 1950-1953 Korean War at Kim Il-sung Square, in Pyongyang. (Photo by Jason Lee/Reuters)

Thousands of revelers continue to enjoy themselves throughout the night on Sunrise Beach on February 25, 2005 in Haadrian, Koh Phangan. (Photo by Shaul Schwarz/Getty Images)

Revellers take part in New Year celebrations in Coin, near Malaga, southern Spain, January 1, 2016. (Photo by Jon Nazca/Reuters)

Photographer Alexander Lepeshkin spends whole nights at Clumba parties, or costume parties where the young creatives of Russia put on their most flashy and drink. His photos capture candid moments of alcohol-enhanced connections and collapses, but he says he’s not a party photographer – he’s a youth photographer. Photo: A Loshadka party in St. Petersburg, 2010. (Photo by Alexander Lepeshkin)

A demonstrator wearing a mock school uniform costume is pictured next to a traffic police officer during a rally held to support women's rights to an abortion in Santiago, Chile, July 25, 2015. (Photo by Ivan Alvarado/Reuters)