This aerial photo shows bullet trains parked at a station in preparation for the upcoming Lunar New Year travel peak in Nanjing, in eastern China's Jiangsu province on January 27, 2021, as authorities have encouraged people to stay put during the Spring Festival to curb the spread of of COVID-19 coronavirus. (Photo by AFP Photo/China Stringer Network)

Omar Gamal, a 28-year-old pigeon keeper, stands next to his pigeon coop on his rooftop in the Egyptian capital's twin city of Giza on February 21, 2021, with the Pyramids of (R to L) Khufu (Cheops), Khafre (Chephren), and Menkaure (Menkheres) in the background. An ancient tradition handed down through the generations, the practice of domesticating pigeons stretches across borders from the banks of the Nile to north Africa and beyond, with people not only training birds for competitions, but also serving them up as a dining delicacy. (Photo by Khaled Desouki/AFP Photo)

An Afghan laborer works at a brick kiln, in Jalalabad, Afghanistan, 24 February 2020. Afghan President Ghani said on 21 February, said that a seven-day reduction in violence promised by the Taliban will determine the government's next steps in Afghanistan's peace process. The Taliban has announced a decrease in hostilities in an agreement with the United States as a preliminary step to signing a peace deal with Washington on 29 February. (Photo by Ghulamullah Habibi/EPA/EFE)

Kenyan photographer and art director Barbara Minishi (L) takes pictures of her room mate and fashion stylist Wambui Thimba (R) wearing a creation by a Kenyan fashion designer on the rooftop of their apartment in Nairobi, Kenya, on June 1, 2020. After their scheduled works was cancelled due to the spread of the COVID-19 coronavirus, Minishi and Thimba have started their own project called “the Kenya Fashion & Style Diary in 21 days” to showcase a Kenyan fashion brand everyday for 3 weeks on social networking services since May 22, 2020 by only shooting at their apartment. (Photo by Yasuyoshi Chiba/AFP Photo)

A woman walks past the barbed wire separating Belarusian servicemen and Belarusian opposition supporters during a rally in Minsk, Belarus, Sunday, August 30, 2020. Tens of thousands of demonstrators have gathered in the capital of Belarus, beginning the fourth week of daily protests demanding that the country's authoritarian president resign. The protests began after an Aug. 9 presidential election that protesters say was rigged and officials say gave President Alexander Lukashenko a sixth term in office. (Photo by Tut.By via AP Photo)

A man reacts while having a nasal swab sample taken at a testing and screening facility for the coronavirus, in a hospital in Karachi, Pakistan, Friday, August 21, 2020. (Photo by Fareed Khan/AP Photo)

A supporter of the opposition parties shouts asking for peace as riot police are block access to the house of the former president Henri Konan Bedie, in Abidjan, Ivory Coast, Tuesday, November 3, 2020. (Photo by Leo Correa/AP Photo)

A model stumbles as she presents a creation by Swiss designer Albert Kriemler as part of his Spring/Summer 2020 women's ready-to-wear collection show for fashion house Akris during the Paris Fashion Week in Paris, France, September 29, 2019. (Photo by Gonzalo Fuentes/Reuters)