Looks like rain, dear Ahem, that's Pleistocene, not Plasticine. BBC: 'Pleistocene Park' experimentEfforts are under way to restore part of Siberia to the way it was more than 10,000 years ago, before the end of the last ice age. They're not quite sure where they're going to get the mammoths from. By Richard Carter A fat, bearded chap with a Charles Darwin fixation. View all of Richard Carter's posts.