A young oriental small-clawed otter at the zoo in Neumuenster, Germany, March 5, 2014. The six young otters (one male, five female) were born on December 7, 2013. (Photo by Maja Hitij/EPA)

Motorcycling, Gotland Grand National 2016 endure race, Gotland, Sweden on October 29, 2016. Riders compete. (Photo by Soren Andersson/Reuters/TT News Agency)

Voodoo believers carry dead goats during a ceremony of Fet Gede in a Peristil, a voodoo temple, in Port-au-Prince, Haiti, November 2, 2016. (Photo by Andres Martinez Casares/Reuters)

Figure Skating, ISU Grand Prix Rostelecom Cup 2016/2017, Ice Dance Short Dance, Moscow, Russia on November 4, 2016. Kaitlyn Weaver and Andrew Poje of Canada compete. (Photo by Grigory Dukor/Reuters)

Tennis star Maria Sharapova poses with a Porsche 911 RSR race car at the 2016 Los Angeles Auto Show in Los Angeles, California, U.S November 16, 2016. (Photo by Mike Blake/Reuters)

Rubber masks depicting U.S. President-elect Donald Trump are seen at the Ogawa Studios, a mask making company, in Saitama, Japan, November 21, 2016. (Photo by Toru Hanai/Reuters)

A man with a mask poses for a portrait as he takes part in festivities in honour of patron saint San Jeronimo in Masaya city, Nicaragua November 20, 2016. (Photo by Oswaldo Rivas/Reuters)

Passengers check their mobile devices as a bin is full of garbage during a protest by the cleaning staff at Barcelona's airport, Spain, December 1, 2016. (Photo by Albert Gea/Reuters)