A climber walks on the ridge beneath the eastern peak of the Gamsberg (2385 meters above sea level) near Grabs, Switzerland, Friday, October 3, 2014. (Photo by Gian Ehrenzeller/AP Photo/Keystone)

An alpaca chewing a leaf is pictured on November 18, 2014 in the zoo of Frankfurt am Main, Germany. (Photo by Frank Rumpenhorst/AFP Photo/DPA)

In this April 27, 2020 photo, a health worker helps another as she fainted because of exhaustion and long working hours during a swab test drive for COVID 19, in New Delhi, India. Two and a half months of nationwide lockdown kept numbers of infections relatively low in India. But with restrictions easing in recent weeks, cases have shot up, raising questions about whether authorities have done enough to avert catastrophe. Half of Delhi’s 8,200 hospital beds dedicated to COVID-19 patients are already full and officials are projecting more than half a million cases in the city alone by July 31. (Photo by Manish Swarup/AP Photo)

A U.S. Army crew chief flying on board a CH-47F Chinook helicopter observes the successful test of flares during a training flight in Afghanistan, March 14, 2018. (Photo by Tech. Sgt. Gregory Brook/Reuters/U.S. Air Force)

A great tit eats food from the top of a photographer's hat as the press wait for politicians on Downing Street on December 16, 2019 in London, England. The UK's Prime Minister is set to hold a mini Cabinet reshuffle to replace outgoing ministers following last week's general election victory. (Photo by Leon Neal/Getty Images)

Colombia' s Caterine Ibarguen competes in the women' s long jump during the 2018 IAAF Birmingham Diamond League athletics meeting at Alexander Stadium in Birmingham on August 18, 2018. (Photo by Peter Cziborra/Action Images via Reuters)

Farmers play tug of war in a paddy field on National Paddy Day in Tokha village, on the outskirt of capital Kathmandu, Nepal, 29 June 2021. Nepal is celebrating National Paddy Day with various events on 29 June. On this day, known as Asar Pandra, farmers begin the annual rice planting season and mark the day with various festivities such as preparing rice meals with muddy water, mud being a symbol for a prosperous season. Sixty percent of Nepal's agriculture industry relies on monsoon rain while 40 percent is carried out through irrigation. Agriculture is a major contributor to the country's GDP. (Photo by Narendra Shrestha/EPA/EFE)

Tasmanian devils play on May 31, 2023 in Sydney, Australia. Creatures living at the zoo welcomed the arrival of winter with snow and an array of treats. Many of the zoo's species would naturally experience seasonal changes within their wild ranges. With the support of the SEA LIFE Sydney Aquarium's sub-Antarctic penguin team, snow is predicted to hit the Darling Harbour-based attraction on Wednesday morning. (Photo by Jenny Evans/Getty Images)