Alexandr Kudlay, 33, and Viktoria Pustovitova, 28, have breakfast in their apartment in Kharkiv, Ukraine on March 5, 2021. Tired of occasional break-ups, this Ukrainian couple found an unusual solution to stay inseparable. On St. Valentine's Day, they decided to handcuff their hands together for three months and began documenting their experience on social media. (Photo by Gleb Garanich/Reuters)

A young visitor interacts with a baby hippopotamus swimming in its enclosure at the Berlin Zoo on January 1, 2018. Tourists and locals flocked to the zoo in the German capital on the unseasonably warm first day of the year. (Photo by Odd Andersen/AFP Photo)

A man stands in front of a poster created by artist Tomoko Konoike, one of 20 posters officially selected for the Tokyo Olympics and Paralympics, at the Museum of Contemporary Art Tokyo Monday, January 6, 2020. The official posters are out for this year's Tokyo Olympics and Paralympics. The 20 posters have been created by 19 artists in fields ranging from painting, graphic design, and photography. Calligraphy and Japanese manga are also represented. (Photo by Jae C. Hong/AP Photo)

A Thai Buddhist monk prepares to take part in a televised anti-plague prayer at Wat Traimit Temple (Temple of the Golden Buddha) amid lockdown restrictions to contain the spread of the COVID-19 coronavirus in Bangkok on March 25, 2020. The monks at Buddhist temples nationwide chanted the Rattanasoot (Seven Legends) Prayer in unison in a bid to boost public morale amid the epidemic of COVID-19 coronavirus. (Photo by Mladen Antonov/AFP Photo)

A Pablo Picasso papier mache “huge head” mask, known as “Capgros” in Catalan, is displayed at the entrance of the “El Ingenio” shop on August 23, 2011 in Barcelona, Spain. “El Ingenio” (The Ingenuity) has been making and selling papier mache giant masks and huge heads for Catalan popular festivals since 1838. The “La Merce” festival will be held on September 24 to observe the feast day of Our Lady of Mercy, patron saint of Barcelona. (Photo by David Ramos/Getty Images)

In this Wednesday, January 27, 2016 photo, Jung Myoung Sook, 61, holds her puppies she rescued at a shelter in Asan, South Korea. In the country, where dogs are considered a traditional delicacy and have only recently become popular as pets, Jung's love for her canine friends is viewed by some as odd. But others see her as a champion of animal rights. (Photo by Lee Jin-man/AP Photo)

A girl collects drinking water at Dala river outside Yangon, Myanmar March 3, 2016. Some 650 million people, or one in 10 of the world's population, have no access to safe water, putting them at risk of infectious diseases and premature death. Dirty water and poor sanitation can cause severe diarrhoeal diseases in children, killing 900 under-five a day across the world, according to United Nations estimates. (Photo by Soe Zeya Tun/Reuters)

Stingray City is a series of shallow sandbars found in the North Sound of Grand Cayman, Cayman Islands. It is a tourist attraction, where southern stingrays are found in abundance and visitors can pet and interact with the animals.