A man dressed as Santa Claus sits at a bus stop before an annual race in Belgrade, Serbia December 27, 2015. (Photo by Marko Djurica/Reuters)

Cars slowly move along a bridge in traffic jam in central Moscow, Russia on December 11, 2018. (Photo by Yuri Kadobnov/AFP Photo)

Armed police Taser a man inside the grounds of the Houses of Parliament on 11 December 2018. (Photo by Peter Nicholls/Reuters)

A baby pangolin sits with its mother inside a cage prior to their release into the wild in Sibolangit, North Sumatra, Indonesia, Monday, April 27, 2015. The anteaters are part of dozens of live pangolins and around five tons (11,000 lbs) of pangolin meat ready to be shipped abroad confiscated in a police a raid last week. (Photo by Binsar Bakkara/AP Photo)

Factory waste including dyes from the many textile factories in the region drain into a tributary of the Citarum river on August 27, 2018 outside Bandung, Java, Indonesia. (Photo by Ed Wray/Getty Images)

Kendall Jenner (R) attends Casamigos Halloween party at CATCH Las Vegas at ARIA Resort & Casino on October 27, 2018 in Las Vegas, Nevada. (Photo by Bryan Steffy/Getty Images for Casamigos)

A Bangladeshi girl plays on a swing, in Dhaka, Bangladesh, December 27, 2016. (Photo by Mohammad Ponir Hossain/Reuters)

A rescue helicopter is shown at the Mount Everest south base camp in Nepal a day after a huge earthquake-caused avalanche killed at least 17 people, in this photo courtesy of 6summitschallenge.com taken on April 26, 2015 and released on April 27, 2015. Rescue teams, helped by clear weather, used helicopters to airlift scores of people stranded at higher altitudes, two at a time. (Photo by Reuters/6summitschallenge.com)