In this November 30, 2017 photo, Douglas scoops up mud from the bottom of the polluted Guaire River, in search of gold and anything valuable he can sell, in Caracas, Venezuela. Some stretches of the river smell of sewer while others emit a toxic odor of fuel, a stench that stays in ones nose for hours after leaving the water. (Photo by Ariana Cubillos/AP Photo)

Visitors watch dinosaur models at Haitang Bay Rice Paddy Park on January 24, 2018 in Sanya, Hainan Province of China. The Haitang Bay Rice Paddy Park featuring 323 full-size dinosaur models was officially opened to the public on Thursday. (Photo by Yin Haiming/China News Service/VCG via Getty Images)

A demonstrator shows her arm with the name “Marielle” written on it, as she performs during a protest against the murder of councilwoman Marielle Franco in Rio de Janeiro, Brazil, Tuesday, March 20, 2018. Franco's murder came just a month after the government put the military in charge of security in Rio, which is experiencing a sharp spike in violence less than two years after hosting the 2016 Summer Olympics. (Photo by Leo Correa/AP Photo)

Vitoria Bueno, a 16-year-old dancer whose genetic condition left her without arms, poses for a picture in her neighborhood in Santa Rita do Sapucai, Brazil, February 7, 2021. (Photo by Ueslei Marcelino/Reuters)

A boy, who came with the humanitarian transport of children from Ukrainian public orphanages following the Russian invasion of Ukraine, reacts as he has breakfast at the Hotel Ossa near Rawa Mazowiecka, Poland on March 5, 2022. (Photo by Kacper Pempel/Reuters)

A Malachite butterfly diverts the animal keeper Ella Marsh on March 28, 2022 from her task of preparing the Tropical Butterfly House wildlife and falconry centre in South Anston in Yorkshire for the Easter holidays. (Photo by James Glossop/The Times)

A soldier of the Household Cavalry Mounted Regiment falls off a horse during a practice to participate in the state ceremonial surrounding this year's Platinum Jubilee celebrations at Hyde Park in London, Thursday, March 31, 2022. Around 170 horses and personnel of the Household Cavalry Mounted Regiment left their Hyde Park Barracks to form up and be inspected by the General Officer Commanding the Household Division, Major General Christopher Ghika. (Photo by Frank Augstein/AP Photo)

People walk in a field of California poppies and other wildflowers outside of the Antelope Valley California Poppy Reserve, after recent rains moved the region's second-driest winter on record up to its seventh-driest, near Lancaster, California, on April 2, 2022. The California Department of Water Resources reported that about one-third of the Sierra Nevada snowpack's water equivalency melted last week under higher-than-normal temperatures, leaving the statewide snow-water equivalent at 38% of normal for the date. (Photo by David Mcnew/AFP Photo)