“Don't Leave Any Food On Your Plate”. The giraffes at Nairobi's Giraffe Manor are totally at home with humans. They will eat out of your hand, or even off your plate. Photo location: Giraffe Manor, Nairobi, Kenya. (Photo and caption by Gavin Werbeloff/National Geographic Photo Contest)

A protester is taken away by police during an electoral campaign closing rally of Spain's far-right party VOX in Madrid, Spain on April 26, 2019. (Photo by Juan Medina/Reuters)

Traditional dancers from southern state Tamil Nadu prepare themselves as they wait to perform during a press preview of displays being featured for the upcoming Republic Day parade in New Delhi on January 22, 2019. The Republic Day is an annual showcase of India's military hardware and cultural diversity. India celebrates its 70th Republic Day on January 26. (Photo by Sajjad Hussain/AFP Photo)

Sikh Nihang (Sikh warriors) perform “Gatka”, an ancient form of Sikh martial arts, during the “Nagar Kirtan” procession to mark the 339th birth anniversary of the Sikh warrior Shaheed Baba Deep Singh, in Amritsar on January 31, 2021. (Photo by Narinder Nanu/AFP Photo/Profimedia)

This photo was caught on camera by amateur photographer Kutub Uddin, 27, and was taken in his back garden in Bognor Regis, West Sussex. The red-eyed tree frogs have been Mr Uddin's pets for four months and he often lets them out to roam around his garden. Photo: “Ohh no :( Raining”. (Photo by Kutub Uddin)

Photographer Logan Zillmer took this photo of the harvest moon above a corn field as part of his “Traveler” series on Flickr. (Photo by Logan Zillmer)

A Herero man holds the head of a freshly butchered cow, killed to supply meat for a funeral, 2012. (Photo by Jim Naughten, courtesy of Klompching Gallery, New York)