“Kilauea Rules”. The most extreme place we put ours kayakers to paddle till now. Photo location: Big Island, Hawaii. (Photo and caption by Alexandre Socci/National Geographic Photo Contest)

A long exposure image of embers flying off burnt out trees following the wind driven wildfire ranging in the mountain area near Rancho Cucamonga late 30 April 2014. Earlier in the day more than 1,500 homes were evacuated as the Etiwanda fire charred around 1,000 acres in San Barnardino National Forest. (Photo by Stuart Palley/EPA)

“DC3 Wreck”. A capture of a US military DC3 plane wreck at the southern black beach in Iceland. Photo location: Iceland. (Photo and caption by Naian Feng/National Geographic Photo Contest)

A three-month-old Sumatran tiger cub named “Bandar” shows his displeasure after being dunked in the tiger exhibit moat for a swim reliability test at the National Zoo in Washington, on November 6, 2013. All cubs born at the zoo must take a swim test before being allowed to roam in the exhibit. Bandar passed his test. (Photo by Manuel Balce Ceneta/Associated Press)

A chevrotain or mouse deer feeds in its enclosure at Zurich Zoo, Zurich, Switzerland, October 17, 2012. (Photo by Patrick B. Kraemer/AP)

Dominic Bergamin, left, a new Vatican Swiss Guard, is is kissed by his wife Joanne, prior to a swearing-in ceremony, at the Vatican, Wednesday, May 6, 2015. The ceremony is held each May 6 to commemorate the day in 1527 when 147 Swiss Guards died protecting Pope Clement VII during the Sack of Rome. (Photo by Ettore Ferrari/AP Photo/Pool Photo)

A worker, dressed in a protective suit, cleans Conchitas Beach contaminated by an oil spill, in Ancon, Peru, Thursday, January 20, 2022. The oil spill on the Peruvian coast was caused by the waves from an eruption of an undersea volcano in the South Pacific nation of Tonga. (Photo by Martin Mejia/AP Photo)

A woman on her hen day reacts as members of the public enjoy a drink in the Grassmarket as lockdown measures are eased on April 26, 2021 in Edinburgh, United Kingdom. Cafes, beer gardens, non-essential shops and museums are reopening in Scotland today as lockdown easing continues. (Photo by Jeff J. Mitchell/Getty Images)