Khansa, an eight month old critically endangered Bornean orangutan shows off it's two front-teeth, at the Singapore Zoo on Thursday, January 11, 2018 in Singapore. The Singapore Zoo is active with its breeding programs as part of its wildlife preservation efforts. This is the Zoo's 46th successful orangutan birth. (Photo by Wong Maye-E/AP Photo)

A worker stands under covered elephant statues at the Ambedkar Park on January 11, 2012 in Noida, Uttar Pradesh, India. India's Election Commission has ordered the covering up of statues, the symbol of the Bahujan Samaj Party, ahead of next month's elections in the state of Uttar Pradesh. (Photo by Daniel Berehulak /Getty Images)

South Korean special warfare command soldiers participate in winter military training exercise on January 11, 2012 in Pyeongchang-gun, South Korea. The South Korean troops train in temperatures below -20 degrees celsius to defend the country against any possible attacks from North Korea. (Photo by Chung Sung-Jun/Getty Images)

The cruise ship Costa Concordia lies stricken off the shore of the island of Giglio, on January 14, 2012 in Giglio Porto, Italy. More than four thousand people were on board when the ship hit a sandbank. At least 3 people have been confirmed dead and another 50 are unaccounted for. (Photo by Laura Lezza/Getty Images)

The cruise ship Costa Concordia lies stricken off the shore of the island of Giglio, on January 17, 2012 in Giglio Porto, Italy. More than four thousand people were on board when the ship hit a rock off the Tuscan coast. At least 11 people have been confirmed dead and another 24 missing. (Photo by Laura Lezza/Getty Images)

Some of the most powerful narratives of the past decade have been produced by a forward-thinking generation of women photojournalists as different as the places and the subjects they have covered. National Geographic's “Women of Vision” exhibit features the work of 11 photographers and is on display at the Fernbank Museum of Natural History in Atlanta until January 3, 2016. Here: Nujood Ali stunned the world in 2008 by obtaining a divorce at age 10 in Yemen, striking a blow against forced marriage. (Photo by Stephanie Sinclair/National Geographic)

Sculptor Jiri Genzer of the Czech Republic carves an ice sculpture at the Disney Dreams Ice Festival in Antwerp November 27, 2014. Some 60 artists from all over the world participated in the festival, making sculptures out of around 500 tonnes of ice. The festival will open on November 29 until January 11, 2015. (Photo by Yves Herman/Reuters)

People in hard hats in a rage room in Moscow, Russia on January 27, 2016. The Debosh stress relief service gives its customers an opportunity to smash the rage room up with sledgehammers and bats to relieve stress and tension. (Photo by Artyom Geodakyan/TASS/Barcroft Media)