Russian divers, together with scientists and palaeontology enthusiasts, prepare ice holes on the frozen...
Russian divers, together with scientists and palaeontology enthusiasts, prepare ice holes on the frozen Tobol River, as they explore the bed of the river in search of bones and teeth of extinct animals, including mammoths and sharks, in Kurgan, Russia January 4, 2021. Picture taken January 4, 2021. REUTERS/Alexey Malgavko