A smokejumper leaps from an airplane during a training flight above Winthrop, Washington, U.S., June 30, 2016. On a 100-degree day in early June, eight experienced firefighters did sit-ups in a semicircle training to parachute into a wildfire. Better known as “rookie candidates”, they were determined to make it through the five-week program at North Cascades Smokejumper Base in Winthrop, Washington, where the first experimental jumps occurred in 1939. (Photo by David Ryder/Reuters)

A newly-hatched baby sea turtle makes its way into the Mediterranean Sea for the first time, as part of the Israeli Sea Turtle Rescue Center's conservation program, at a beach near Mikhmoret north of Tel Aviv, Israel September 9, 2019. Green turtles are endangered worldwide, the World Wildlife Fund says. Among other hazards, they are threatened by hunting, human encroachment on the beaches where they nest, and pollution of their feeding grounds offshore. According to the Israeli rescue center, only about 20 female green turtles nest along the Israeli Mediterranean coast during a breeding season that usually lasts from May until August. (Photo by Amir Cohen/Reuters)

People play ice hockey in front of the Olympic Tower near the National Stadium at Olympic Park on January 13, 2022 in Beijing, China. Playing host to the 2022 Winter Olympics has boosted the popularity of winter sports and outdoor activities in many parts of China, with the government pouring billions of dollars into developing programs, athletes, and fans. With more outdoor skating rinks, ski resorts, and other activities luring people outside, the ice and snow sports boom has created nearly 350 million winter sport enthusiasts since Beijing"u2019s successful Games bid in 2015, according to officials. China is seeking to become a winter sports destination as the global snow sports industry eyes growth in the world second largest economy. (Photo by Kevin Frayer/Getty Images)

The National Geographic Photo Ark is a travelling exhibition of photographer Joel Sartore’s quest to create a photo archive of biodiversity around the world. So far, Sartore has captured studio portraits of more than 6,000 species – a number that he hopes to double. On 1 July, the ark will open at Melbourne zoo – the first time it has been exhibited in the southern hemisphere. More than 50 portraits will be on display, including many of Australian endangered animals being protected by programs at the zoo itself. These captions have been edited from text supplied by Melbourne zoo. Here: Barking owl. (Photo by Joel Sartore/National Geographic Photo Ark/The Guardian)

A handout picture made available by the National Aeronautics and Space Administration (NASA) shows, NASA teams working around Boeing’s CST-100 Starliner spacecraft after it landed at White Sands Missile Range’s Space Harbor, in Las Cruces, New Mexico, 25 May 2022. Boeing’s Orbital Flight Test-2 (OFT-2) is Starliner’s second uncrewed flight test to the International Space Station as part of NASA's Commercial Crew Program. OFT-2 serves as an end-to-end test of the system's capabilities. (Photo by Bill Ingalls/NASA/EPA/EFE)

United States Coast Guard Academy Cadets Second Class Aurimas Juodka, left, and Sheila Bertrand get in the face of “swab” Kevin Lennox as Bravo Company finishes at the barber shop and mailroom during R-Day, the reporting-in day that marks the beginning of the 7-week “Swab Summer” for the class of 2018 Monday, June 30, 2014, in New London, Conn. About 250 prospective cadets, Swabs, start the program designed to indoctrinate them to the military life of the academy and at the end will be accepted into the corps of cadets. (Photo by Sean D. Elliot/AP Photo/The Day)

Jorge, an immigrant from Mexico, exits a subway station dressed as the Sesame Street character Elmo in Times Square, New York July 30, 2014. Elmo and Cookie Monster have long delighted young viewers on TV's “Sesame Street”, but the recent antics of New York street performers dressed as the beloved characters have drawn the ire of city officials and now the show's producers. Sesame Workshop, which owns the rights to Big Bird, Ernie and the assorted puppet monsters on the 45-year-old program, said on July 29, 2014 it was drafting plans to stop performers who dress up as the characters from appearing in Times Square, where they pose for photos with tourists and then demand tips. (Photo by Eduardo Munoz/Reuters)

Nimbus, the 2 month old clouded leopard cub, who was hand reared at the home of curator Jamie Craig. Photographed sitting in her hammock at Cotswold Wildlife Park, Burford, Oxfordshire, UK on September 2014. Jamie Craig the curator of the Cotswold Wildlife park has hand reared the baby clouded leopard in his family bathroom after he was rejected by his mother. Now two months old Nimbus is been fed a cat milk replacement diet by bottle and is given soft toys to play with. It is hoped that the leopard will re-join others at the park and eventually join their breeding program. (Photo by SWNS/ABACAPress)