People watch fireworks commemorating the 76th anniversary of the victory in the Great Patriotic War in St. Petersburg, Russia, May 9, 2021. (Photo by Chine Nouvelle/SIPA Press/Rex Features/Shutterstock)

A person reacts during an anti-war protest, after Russia launched a massive military operation against Ukraine, in Moscow, Russia on February 24, 2022. (Photo by Evgenia Novozhenina/Reuters)

US Army Parachute Team Golden Knights perform a precision drop to commemorate the 50th anniversary of the end of the Vietnam War, above West Potomac Park in Washington, DC, USA, 11 May 2023. The performance is one of many activites being held on the National Mall over three days to honor Vietnam War veterans and their families and to commemorate the 50th anniversary of when the last US combat troops left South Vietnam in 1973. (Photo by Michael Reynolds/EPA/EFE)

The 100-metre (300-foot), sword-wielding statue of “The Motherland” is seen in the National Museum of the History of the Great Patriotic War in Kiev March 17, 2014. On a blustery day on the banks of the Dnieper, the statue of “The Motherland”, a Soviet hammer and sickle on her shield, towered overhead, a reminder of the common cause Ukrainians and Russians died for side by side in their millions in World War Two and which Russian President Vladimir Putin thinks Ukraine has betrayed by turning to “fascism” and the West. (Photo by Konstantin Grishin/Reuters)

Staff members work on sorting and assembling the skeleton of a fossilized Triceratops dinosaur, in Paris, France, 31 August 2021. The skeleton of a Triceratops, an over 66 million years old dinosaur, knicknamed “Big John”, will be auctioned at the Drouot Auction House on 21 October 2021 and is estimated to fetch a total of 1.5 million euros. (Photo by Christophe Petit Tesson/EPA/EFE)

An indigenous man of Mahmeri tribe wearing a costume of Puteri Gunung Ledang character receives a dose of the vaccine against Covid-19 in Banting, near Kuala Lumpur, Malaysia,15 August 2021. Malaysia recorded another 20,670 new Covid-19 cases on 14 August, bringing the cumulative total to 1,384,353 cases. (Photo by Ahmad Yusni/EPA/EFE)

Special Merit Award. Mallory Franklin (2019). The British slalom canoeist has competed internationally since 2009 and won nine medals in total at the ICF Canoe Slalom World Championships with four golds, four silvers and a bronze. She has also won eleven medals at the European Championships. (Photo by Richard Pelham/World Sports Photography Awards 2021)

On the western side of Mount Hood lies the longest glacier cave system in the contiguous United States. In 2012, these caves were mapped to a combined length of 7,166.8 feet by cave explorers Brent McGregor and Eddy Cartaya. Currently, the total passage length is hundreds of feet less. Glaciers are frozen rivers; they are always moving and changing... (Photo and caption by Josh Hydeman)