In this August 17, 2016, photo, from left to right, Chhering Chodom, 60, Tashi Yangzom, 50, Lobsang Chhering, 27, and Dorje Tandup, 58, drink milk tea on the side of the road. For centuries, the sleepy valley nestled in the Indian Himalayas remained a hidden Buddhist enclave forbidden to outsiders. Enduring the harsh year-round conditions of the high mountain desert, the people of Spiti Valley lived by a simple communal code – share the Earth's bounty, be hospitable to neighbors, and eschew greed and temptation at all turns. That's all starting to change, for better or worse. (Photo by Thomas Cytrynowicz/AP Photo)

A Ukrainian serviceman fires a 2S7 Pion self-propelled gun during military exercises near the village of Divychky in Kiev region, Ukraine, October 21, 2016. (Photo by Valentyn Ogirenko/Reuters)

Protesters carry a giant old Belarusian national flag during a Belarusian opposition supporters' rally protesting the official presidential election results in Minsk, Belarus, Sunday, September 13, 2020. Belarusians have been demonstrating against the disputed re-election of President Alexander Lukashenko for a month, with more than 100,000 people flooding the streets of Minsk for four straight weekends. (Photo by TUT.by via AP Photo)

A woman carrying a child on her back looks at wigs on sale at the Baragwanath Taxi Rank in Soweto, South Africa, Wednesday, September 16, 2020. South African president Cyril Ramaphosa is scheduled to address the nation later in the day, as case numbers and death from COVID-19 hit the lowest in months. (Photo by Jerome Delay/AP Photo)

A vendor stands in a flooded flower market following heavy monsoon rains in Mumbai on September 23, 2020. (Photo by Sujit Jaiswal/AFP Photo)

A cow covered with foam scavenges in the waste left on the banks of the polluted Yamuna river in New Delhi on October 10, 2020. (Photo by Sajjad Hussain/AFP Photo)

A child working at Ship breaking yard in Chittagong, Bangladesh on November 14, 2014. (Photo by Pascal Mannaerts/Alamy Stock Photo)

A person stops to take a picture of the sun setting behind the San Francisco skyline as seen from Grizzly Peak Boulevard in Oakland, Calif., Thursday, Dec. 31, 2020. (Photo by Jose Carlos Fajardo/Bay Area News Group via AP Photo)