A citizen rides in smog on December 20, 2016 in Jinan, Shandong Province of China. Air quality index (AQI) readings exceeded 400 and some schools have suspended classes in Jinan. (Photo by VCG/VCG via Getty Images)

An artist is seen preparing during the Kramatorsk tent show in Kramatorsk, Ukraine on August 29, 2021. Traditional tent shows are still very popular in the twenty first century among Ukrainian people of all ages. (Photo by Andriy Andriyenko/SOPA Images/Rex Features/Shutterstock)

People walk with their arms raised as security forces restore order in Nice, France on July 14, 2016. (Photo by SIPA Press/Rex Features/Shutterstock)

A masked reveller poses near Saint Mark's Square during the Venetian Carnival in Venice January 31, 2015. (Photo by Stefano Rellandini/Reuters)

Two scavengers collect plastics in the Citarum river in Bandung, West Java on March 28, 2023. (Photo by Timur Matahari/AFP Photo)

The cheerleaders for NFL’s Arizona Cardinals warm up fans at a game against the New York Jets in Glendale, Arizona on November 10, 2024. (Photo by Joe Camporeale/Reuters)

The ruins of a castle stand above the town of Rocca Calascio, close to Santo Stefano di Sessanio in the province of L'Aquila in Abruzzo, inside the national park of the Gran Sasso e Monti della Laga, Italy, September 7, 2016. (Photo by Siegfried Modola/Reuters)

“Just hanging out”. As full autumn hits the valley of Hallingdal in Norway, this bear chills out in a tree which seems to barely cover its weight. Photo location: Flå, Hallingdal, Norway. (Photo and caption by Jorgen Tharaldsen/National Geographic Photo Contest)