An orphaned giraffe nuzzling a wildlife keeper at Sarara camp in Kenya, one of 70 pictures being sold by Prints for Nature (printsfornature.com) to raise money for work by the Conservation International charity. This giraffe was rehabilitated and returned to the wild, as a number of others have done before him. Right now, giraffe are undergoing what has been referred to as a silent extinction. Current estimates are that giraffe populations across Africa have dropped 40 percent in three decades, plummeting from approximately 155,000 in the late 1980s to under 100,000 today. (Photo by Ami Vitale/National Geographic)

Children carry firewood on their heads and walk homewards on the outskirts of Rae Bareli, India, Thursday, December 17, 2020. (Photo by Rajesh Kumar Singh/AP Photo)

A woman carries a heart shaped balloon while sitting with her husband on a motorbike during Valentine's day, in Karachi on February 14, 2021. (Photo by Rizwan Tabassum/AFP Photo)

A protester poses for a photo in front of a burning barricade in Barcelona, Spain on February 17, 2021 as a protest following the imprisonment of rapper “Pablo Hasel” convicted to jail for glorifying terrorism and insulting Spain's former king in lyrics turns into riots for a second night. (Photo by Matthias Oesterle/ZUMA Wire/Rex Features/Shutterstock)

A service member of the Ukrainian armed forces is seen at fighting positions on the line of separation from pro-Russian rebels in Donetsk region, Ukraine on April 10, 2021. (Photo by Oleksandr Klymenko/Reuters)

Garrett Gerloff (L) of the USA GRT Yamaha WorldSBK Junior Team and Sandro Cortese (R) of Germany on OUTDO Kawasaki TPR colide during a warm up session of the the World Superbike Championship on Phillip Island, Victoria, Australia, 01 March 2020. (Photo by Scott Barbour/EPA/EFE)

A woman, her hands decorated with traditional henna, prays during Eid al-Fitr prayer at historical Badshahi mosque in Lahore, Pakistan, Sunday, May 24, 2020. (Photo by K.M. Chaudary/AP Photo)

Indian Air Force (IAF) cadets march during a graduation parade at the Air Force Academy in Dundigal, on the outskirts of Hyderabad, India, Saturday, June 20, 2020. A total of 123 flight cadets including 19 women officers were commissioned as flying officers on Saturday on successful completion of their training, a press release said. (Photo by Mahesh Kumar A./AP Photo)