Armed women attend a rally to show support to the Houthi movement in Sanaa, Yemen January 13, 2018. (Photo by Khaled Abdullah/Reuters)

In this photo taken on Sunday, January 14, 2018, Anastasia Gruzdeva, left, poses for selfie with her friends as the temperature dropped to about –50 degrees (–58 degrees Fahrenheit) in Yakutsk, Russia. Temperatures in the remote, diamond-rich Russian region of Yakutia have dropped to near-record lows, plunging to –67 degrees Centigrade (-88.6 degrees Fahrenheit) in some areas. (Photo by Sakhalife.ru Photo via AP Photo)

David Goffin of Belgium meets a koala during a promotional event for the Australian Open tennis tournament at Melbourne Park on January 17, 2018. (Photo by Fiona Hamilton/Reuters/Tennis Australia)

A supporter of the presidential candidate for the Honduran Opposition Alliance Against the Dictatorship for the past election, Salvador Nasralla, lies on the street in front of police officers during a demonstration against the contested re-election of President Juan Orlando Hernandez, in Tegucigalpa, Honduras on January 21, 2018. (Photo by Orlando Sierra/AFP Photo)

A demonstrator confronts riot police during a rally in defense of the nationalization of lithium reserves in the country, in Santiago, Chile on January 29, 2018. (Photo by Pablo Sanhueza/Reuters)

Fluffy toy panda bears as part of the art installation “Panda mie” by Italian restaurant owner Giuseppe “Pino” Fichera sit over beers at his restaurant “Pino's” to raise awareness of the COVID-19 lockdown's business impact on gastronomy in Frankfurt, Germany, November 24, 2020. (Photo by Kai Pfaffenbach/Reuters)

Bride Ana Vallejos, wearing a traditional “Caporales” Andean outfit, is escorted by her parents to her wedding celebration, in La Paz, Bolivia, Saturday, December 12, 2020. As a measure to reactivate the economy, the Bolivian government lifted restrictions to help curve the spread of the new coronavirus. Sporting, religious and cultural events may take place publicly until mid-January. (Photo by Juan Karita/AP Photo)

A police officer patrols as people party on a street as pubs shut for the night due to tier 3 restrictions in Soho, as the spread of the coronavirus disease (COVID-19) continues in London, Britain, December 15, 2020. (Photo by Henry Nicholls/Reuters)