A Polisario fighter sits on a rock at a forward base on the outskirts of Tifariti, Western Sahara, September 9, 2016. At a rocky outpost in Western Sahara, a new generation of soldiers who have never known war are mobilising as tensions resurface in one of Africa's oldest disputes after a quarter century of uneasy peace. (Photo by Zohra Bensemra/Reuters)

Immigrants from the West Indies at Victoria Station in London, 1956. (Photo by Hulton-Deutsch Collection/CORBIS/Corbis via Getty Images)

Belarussian policemen detain a woman in central Minsk on August 11, 2020. Thousands of opposition supporters who also protested the results met with a tough police crackdown in Minsk and several other Belarusian cities for two straight nights. (Photo by Uladz Hrydzin/Radio Free Europe/Radio Liberty)

Masai women dressed in traditional clothes wear surgical masks as they wait for a ceremony marking World Elephant Day in the Amboseli National Park, Kenya, August 12, 2020. (Photo by Baz Ratner/Reuters)

A dhobi, or a washerman washes cloths on the banks of the River Gomti in Lucknow, India, Saturday, September 12, 2020. Dhobis are traditional laundry workers who wash clothes by hand and dry them in the sun, an occupation which has been in existence for generations. Most cities in India have a Dhobi Ghat, or washermen's area, where the city's pile of clothes is laundered. This practice is still popular in India, despite of modern technology. Around 1,000 families work in Lucknow's Dhobi Ghat. However, in light of the novel coronavirus, their wages have decreased drastically. With each family earning around US$100-200 per month. (Photo by Rajesh Kumar Singh/AP Photo)

Rescue team members search through buildings damaged due to the massive explosion at Beirut's port area, in Gemmayze, Lebanon on September 4, 2020. (Photo by Aziz Taher/Reuters)

Bar Convent employee Lauren Masterman relaxes after cleaning a historic George and Arthur Maw tiled floor created in 1867, one of only two surviving examples of this assemblage of tiles, at England's oldest living convent Bar Convent on October 13, 2020. Visitors to the convent are being invited to follow in the footsteps of residents from the last 150 years and enjoy the historic space decorated with rare 19th century floor tiles. (Photo by Danny Lawson/PA Images via Getty Images)

Aerial view of a farmer feeding ducks at a farm on November 6, 2020 in Sihong County, Jiangsu Province of China. (Photo by Zhang Lianhua/VCG via Getty Images)