A Houthi follower with fake blood on his clothes lies on the ground to represent a victim as others perform a war dance during a ceremony marking the first anniversary of the Houthi movement's takeover of Yemen's capital Sanaa September 21, 2015. (Photo by Khaled Abdullah/Reuters)

Victoria's Secret model Adriana Lima poses with her Madame Tussaud's wax likeness at a reveal event at the Victoria’s Secret store in Herald Square in the Manhattan borough of New York November 30, 2015. (Photo by Brendan McDermid/Reuters)

Demonstrators wear masks depicting Brazil's former president Luiz Inacio Lula da Silva (R) and Brazil's President Dilma Rousseff (L) as they take part in a protest calling for the impeachment of Rousseff at Paulista Avenue in Sao Paulo, Brazil, December 13, 2015. (Photo by Nacho Doce/Reuters)

Music fans attend Day 1 of the Coachella Valley Music & Arts Festival 2011 held at the Empire Polo Club on April 15, 2011 in Indio, California. (Photo by Frazer Harrison/Getty Images)

In this January 27, 2015 photo, penguins walk on the shore of Bahia Almirantazgo in Antarctica. Antarctica “is big and it's changing and it affects the rest of the planet and we can't afford to ignore what's going on down there”, said David Vaughan, science director of the British Antarctic Survey. (Photo by Natacha Pisarenko/AP Photo)

Female soldiers of the self-proclaimed Donetsk People's Republic hold flowers backstage during a beauty pageant to mark International Women's Day in Donetsk, March 7, 2015. (Photo by Marko Djurica/Reuters)

A Japan soccer fan reacts as she watches Japan's FIFA Women's World Cup final match against the U.S. in Vancouver, at a public viewing event in Tokyo, Japan, July 6, 2015. Japan lost the match 5-2 to the U.S. (Photo by Toru Hanai/Reuters)

Fireworks explode above Singapore's financial skyline at dusk as part of celebrations for the nation's 50th year of independence, Sunday, August 9, 2015, in Singapore. Singapore declared independence on August 9, 1965. (Photo by Wong Maye-E/AP Photo)