Snow covered pine tree reaches for the sky. Shot in Sweden on a crisp winter day. (Photo by Anna Rebecka Lindberg/The Guardian)

Snow and ice adorn trees in Ovacık district, Turkey on February 20, 2020. The country has been experiencing heavy snowfall this month. (Photo by Sidar Can Eren/Anadolu Agency via Getty Images)

A visitor watches the exhibit “Enchanted: Forest of Light” at Descanso Gardens in La Canada Flintridge, California U.S., December 9, 2016. (Photo by Mario Anzuoni/Reuters)

Hunched at his desk and staring intently at the blackboard, Hu Yang looks like any other industrious schoolboy. But this ordinary eight-year-old finds himself in a unique position. He is the only pupil to attend his elementary school in, Fujian Province, China.

Santa Students practice dancing during the Charles W. Howard Santa Claus School workshop on October 16, 2008 in Midland, Michigan. (Photo by Al Bello/Getty Images)

Saudi children of al-Fefi family walk up the stairs as they make their way to their schools through Fifa Mountain, in Jazan, south of Saudi Arabia, December 15, 2016. (Photo by Mohamed Al Hwaity/Reuters)

Schoolchildren ride on a makeshift raft to attend the opening of classes at a remote Casili Elementary School in Montalban, Rizal northeast of Manila, Philippines June 13, 2016. (Photo by Erik De Castro/Reuters)

Luke Personius, 12, waits for a wave as he surfs before school at sunrise in Hermosa Beach, California April 2, 2015. The group of friends surf at sunrise most mornings, then shower outside and walk to school. (Photo by Lucy Nicholson/Reuters)