CHINA: Customers eat at a restaurant as a cooked pig sits on a cart on the street outside in Hong Kong, China, December 12, 2016. (Photo by David Gray/Reuters)

Boy rests on bags of recyclable waste at a rubbish dump outside Yemen's Red Sea port city of Houdieda January 19, 2016. (Photo by Abduljabbar Zeyad/Reuters)

A woman reacts as she poses with a man dressed up as the Star Wars character Chewbacca outside the Dolby Theatre, the site of the 88th Academy Awards in Hollywood, California February 26, 2016. (Photo by Adrees Latif/Reuters)

A man sleeps on a wheelbarrow outside a closed shop at a market during the first day of a ceasefire in Yemen's capital Sanaa April 11, 2016. (Photo by Khaled Abdullah/Reuters)

A boy holds the remains of a mortar shell which hit a residential building in the village of Staromikhailovka, outside the separatist-held city of Donetsk, Ukraine, May 24, 2016. (Photo by Alexander Ermochenko/Reuters)

A man demonstrates outside Republican presidential candidate Donald Trump's news conference at Trump Tower in New York, U.S., May 31, 2016. (Photo by Shannon Stapleton/Reuters)

A worker carries a bag of peeled carrots on her head outside a vegetable market in La Trinidad, Benguet in northern Philippines August 6, 2016. (Photo by Erik De Castro/Reuters)

A woman sells fried chicken at the Kyaik-Khauk pagoda festival in the Tanlyin township outside Yangon February 4, 2015. (Photo by Soe Zeya Tun/Reuters)