A rescued malnourished sea lion is manually fed a fish at Sea World in San Diego, California March 17, 2015. Animal rescue centers in California are being inundated with stranded, starving sea lion pups, raising the possibility that the facilities could soon be overwhelmed, the federal agency coordinating the rescue said. (Photo by Mario Anzuoni/Reuters)

A monkey is led by its trainer Qi Defang during training for a circus in Suzhou, Anhui province, November 29, 2014. Suzhou is known as the hometown of circus troupes in China and has more than 300 circus troupes. (Photo by William Hong/Reuters)

English singer Dua Lupa, 25, poses in Puma Mayu trainers in her latest advertising campaign for the brand in Herzogenaurach, Germany on August 16, 2021. The singer posed in the new suede trainers and a black skirt and top with chainmail underneath. Dua Lipa is featured in Puma's latest women's brand campaign “She Moves Us”, which, celebrates women who move together to achieve and connect through fashion, community and sport. (Photo by Mario Sorrenti)

In this photograph taken on January 29, 2017, Afghan members of a wushu martial arts group led by trainer Sima Azimi (C), 20, pose for a photograph at the Shahrak Haji Nabi hilltop overlooking Kabul. Afghanistan's first female wushu trainer, Sima Azimi, 20, is training 20 Afghan girls aged between 14 – 20 at a wushu club in Kabul, after learning the sport while living as a refugee in Iran. (Photo by Wakil Kohsar/AFP Photo)

Daniel Cheong, a dog behaviorist and trainer, steps over a leash as he walks a pack of dogs in Arlington, Va. on November 13, 2018. (Photo by Ricky Carioti/The Washington Post)

People will spout about impermanence of digital records, but books are really fragile, too. Alexis Arnold from San Francisco wanted to illustrate that with her project The Crystallized Book: collecting books and growing Borax crystals on them. Books range from literature classics to magazines, and there’s even a mysterious and arcane tome called “Linux: The Complete Manual”.

A dog named Rama surfs a wave off Sydney's Palm Beach with its owner, Australian dog trainer and former surfing champion Chris de Aboitiz (not pictured), February 18, 2016. An Australian dog trainer and former surfing champion is using the discipline of surfing as a way of teaching owners to build healthy relationships with man's best friend. (Photo by Jason Reed/Reuters)

White whales and their trainers present a show for visitors at Harbin Pole Aquarium on January 7, 2014 in Harbin, China. Aquarium is one of the tourist highlights of Harbin, attract domestic and foreign tourists visit each year. (Photo by Lintao Zhang/Getty Images)