This huge male orangutan is having a right old laugh as he squints his eyes and shows his huge teeth. The orangutan, called Bimbo, was relaxing on a platform around 5m high in his enclosure when he broke out into a laugh. But his happy smile soon disappeared when another orangutan came over to see what was going on. Bimbo – the only male in the group of five apes at Leipzig Zoo, in Germany - appears to be laughing in much the same way as a human would. (Photo by Martina Radtke/Solent News)

A Lebanese man carries an injured woman away from the site of a car bomb explosion in a Shiite area and stronghold of the Lebanese militant group Hezbollah at the southern suburb of Beirut, Thursday January 2, 2014. A large explosion has rocked a stronghold of the Shiite Hezbollah group in the southern suburbs of the Lebanese capital. (Photo by Hussein Malla/AP Photo)

Beautiful woman and man playing domination games in bed. (Photo by nd3000/Getty Images)

A one-horned rhino walks on the street of Sauraha, a tourism hub in southwest Nepal’s Chitwan district on July 10, 2018. (Photo by Sunil Sharma/Xinhua News Agency/Alamy Stock Photo)

Mud-covered tourists pretend to be trapped inside a mud prison at the Daecheon Beach Mud Plaza in the city of Boryeong on South Korea's west coast, July 17, as they take part in the Boryeong Mud Festival, which opened that day and runs through July 26. Boryeong mud is rich in natural mineral component and is considered to prevent skin aging. (Photo by EPA/Yonhap)

A boy and a serviceman pose for a picture during Marines Day celebration in the Black Sea port of Sevastopol, Crimea, November 27, 2016. (Photo by Pavel Rebrov/Reuters)

A woman athlete aims an air rifle while competing in a local shooting championship in Yemen's Huthi rebel-held capital Sanaa on January 3, 2023. (Photo by Mohammed Huwais/AFP Photo)

This photo taken on July 13, 2023 shows a woman wearing traditional Uyghur attire posing for photos in the Old Kashgar tourist area in China's northwestern Xinjiang region. Chinese travellers throng the bazaars of old Kashgar, munching mutton kebabs and soaking up heavily commodified Uyghur culture – part of a government push to remould troubled Xinjiang into a tourism paradise. (Photo by Pedro Pardo/AFP Photo)