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)

A child plays with a mock submachine gun at a model Mass Transit Railway (MTR) station to mark the National Security Education Day at Hong Kong Police College in Hong Kong, China on April 15, 2021. The “education day” was organized to promote the sweeping legislation China imposed last year, marked with school activities, games and shows, and a parade by police and other services. (Photo by Tyrone Siu/Reuters)

A relative of a victim of the Ukraine International Airlines PS 752 plane that crashed after taking off from Tehran's Imam Khomeini airport reacts at Boryspil International Airport, outside Kiev, Ukraine on January 8, 2020. (Photo by Serhii Nuzhnenko/Reuters)

Afghan tea seller Farooq Shah, center, fills kettles with tea for customers at a market place in Kabul, Afghanistan, Wednesday, December 4, 2019. (Photo by Altaf Qadri/AP Photo)

A man walks into the The Life Tabernacle megachurch as local residents attend Sunday service challenging state orders against assembling in large groups to prevent the spread of coronavirus disease (COVID-19) in Baton Rouge, Louisiana U.S., April 5, 2020. (Photo by Carlos Barria/Reuters)

A local resident dressed as Yamraj or Hindu god of death, wearing a novel coronavirus-themed balloon necklace, gestures as he poses during an awareness about social distancing and staying at home organised by Delhi police during a nationwide lockdown to slow the spreading of the coronavirus disease (COVID-19), in New Delhi, India, April 28, 2020. (Photo by Adnan Abidi/Reuters)

A dog named Izzy licks its chops as Craig Morland of Crofton, Maryland, buys a bucket of Thrashers famous fries on the first day of eased coronavirus disease (COVID-19) restrictions for the beach and boardwalk in Ocean City, Maryland, U.S., May 9, 2020. (Photo by Kevin Lamarque/Reuters)

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)