An empty cell block is pictured within Joint Task Force Guantanamo's Camp VI at the U.S. Naval Base in Guantanamo Bay, Cuba March 22, 2016. (Photo by Lucas Jackson/Reuters)

Traditional sculptures by Chin tribe in, Mindat, Myanmar, November 2016. In the mountains of Myanmar lives a tribe where the women have taken a unique approach to their beauty regime by decorating their faces with tattoos. The Chin people in the remote mountain town of Mindat, have been marking women in the area with intricate face tattoos for centuries. (Photo by Teh Han Lin/Barcroft Images)

Inmates are seen at the transgender gallery in La Joya prison on the outskirts of Panama City, Panama February 3, 2016. Inmates of La Joya prison on the outskirts of Panama City are housed in makeshift cells amid heavy overcrowding, living in grimy conditions and with limited medical attention. Many prisoners in the Central American nation languish for years without being sentenced. (Photo by Carlos Jasso/Reuters)

Russian soldiers from 34th motorized infantry mountain brigade, 58th Army, prepare to evacuate a fellow soldier acting as an injured person during a drill at the Darial range outside Russia's city of Vladikavkaz, July 28, 2010. (Photo by Kazbek Basayev/Reuters)

A Kashmiri woman walks on a footbridge as it rains in Srinagar, June 24, 2015. This year's monsoon rains in India are officially forecast to be only 88 percent of the long-term average. (Photo by Danish Ismail/Reuters)

Labourers work at the installation site of Liquefied Petroleum Gas (LPG) pipeline on May Day or Labour Day in Chandigarh, India, May 1, 2015. (Photo by Ajay Verma/Reuters)

Only 156 people remained in the tribe when Jan visited in Accham District, Nepal, January 2016. Hidden deep in the Himalayan forest is one of the world’s last enduring nomadic tribes who are resisting attempts to move them into permanent settlements. (Photo by Jan Moller Hansen/Barcroft Images)