Gers, traditional Mongolian tents, are seen on a hill in an area known as a ger district in Ulan Bator June 26, 2013. Approximately 60 percent of the population of Ulan Bator live in settlements known as ger districts and in many cases residents have limited access to basic services such as water and sanitation. According to a 2010 National Population Center census, every year between thirty and forty thousand people migrate from the countryside to the capital Ulan Bator. Ger districts in the city have been expanding rapidly in recent years. Mongolia is the world's least densely populated country, with 2.8 million people spread across an area around three times the size of France. (Photo by Carlos Barria/Reuters)

A soup for the students is pictured during an activity for the end of the school year at the Padre Jose Maria Velaz school in Caracas, Venezuela July 12, 2016. Due to the faltering socialist economy and the plunge in global oil prices, Venezuela has been in recession since early 2014. Due to the faltering socialist economy and the plunge in global oil prices, Venezuela has been in recession since early 2014. It suffers from the world's highest inflation and is experiencing shortages of basic goods, from milk to medicines. (Photo by Carlos Jasso/Reuters)

Migrants play soccer at makeshift camp in Via Cupa (Gloomy Street) in downtown Rome, Italy, August 2, 2016. Italy is taking in thousands of boat migrants every week for a third year in a row, and friction is common between them and those who live along the path many take on their journey towards northern Europe. (Photo by Max Rossi/Reuters)

Mangli Munda poses on her wedding day with a stray dog in Jharkhand, India on August 30, 2014. An 18-year-old Indian girl has married a stray dog as a part of a tribal ritual designed to ward off an evil spell. Village elders hastily organised the wedding between Mangli Munda and the canine as the teenager is believed to be bringing bad luck to her community in a remote village in Jharkhand state. Mangli's father Sri Amnmunda agreed and even found a stray dog named Sheru as a match for his daughter. And while Mangli was a hesitant bride, she believes that the ceremony will help ensure that her future human husband will have a long life. (Photo by Barcroft Media/ABACAPress)

In this photograph taken on February 15, 2021, doctor Sergen Saracoglu (L) and nurse Yilzdiz Ayten (C) from the Bahcesaray public hospital vaccination team, arrive at the village of Guneyyamac in eastern Turkey, as part of an expedition to vaccinate residents of 65 years old or above with Sinovac's CoronaVac Covid-19 vaccine. (Photo by Bulent Kilic/AFP Photo)

Elephant polo players in action during the King's Cup Elephant Polo event 2016 final between teams King Power (blue) and The Elephant Story, in Bangkok, Thailand, March 13, 2016. Team King Power won the annual charity event, which is now in its 14th edition. This year's edition involved 18 elephants brought from tourist trekking camps in Pattaya as well as some unemployed in Surin, and a total of 10 teams encompassing over 40 players, in this event directed at raising funds to improve the lives of elephants and elephant conservation. (Photo by Diego Azubel/EPA)

Yuanlei Liao, the singer of hardcore band called Thank Ray wears a read scarf after performing on the stage of Mao Live House during the club's last public concert night in central Beijing, China April 23, 2016. Mao Live House, a prominent live rock music venue in Beijing, shut its doors on the weekend, the latest closure to hit China's rock music scene. Owner Li Chi said the club, popular among fans of punk, metal and alternative rock since it opened nine years ago, was forced to close due to tighter rules on live performances. (Photo by Damir Sagolj/Reuters)

A woman sits next to a Gollum figure on the “Middle-earth Shuttle” subway train November 18, 2003 in New York City. The train's cars were decorated with Middle-earth creatures, vines, moss and stones to celebrate the November 18 DVD and VHS release of the Special Extended Edition of The Lord of the Rings: The Two Towers. (Photo by Mario Tama/Getty Images)