An unusual video has emerged from China of visitors engaging in a local custom of putting cash onto the shells of a group of turtles at a zoo - in the hope of a long life.<br /><br />In the footage, filmed in Henan Province last month, children and adults alike crowd around to put notes and coins onto the animals' backs.<br /><br />According to the zoo the four turtles, from Thailand, are said to be able to live for many years.
