Photographer Ma Hongjie has spent 11 years documenting families in various parts of China for his upcoming book The Family Belongings of Chinese People. Here: a couple with their belongings and vegetables in Hebei Huailai county. (Photo by Ma Hongjie)

A couple joke as they walk on the beach on August 22, 2018 in Wonsan, North Korea. (Photo by Carl Court/Getty Images)

Close up of a couple, with the woman holding the man's knee, underneath a table. (Photo by Peter Dazeley/Getty Images)

A couple dance by the Golden Horn leading to the Bosphorus Strait separating Europe and Asia, in Istanbul, Friday, May 14, 2021. (Photo by Emrah Gurel/AP Photo)

Young couple masturbating while using virtual reality glasses in the bed. Happy lover having sеx with vr goggles 3d in the bedroom. (Photo by Alamy Stock Photo)

A couple participates in the “Running of the Brides” race in a park in Bangkok, Thailand on March 25, 2017. (Photo by Athit Perawongmetha/Reuters)

A couple kisses as they dance at a DJ party in Caracas, Venezuela, early Saturday, September 10, 2022. (Photo by Ariana Cubillos/AP Photo)

Two couples prepare to pose for their wedding pictures outside the Forbidden City in Beijing on October 31, 2022. (Photo by Wang Zhao/AFP Photo)