Leave only footprints.

This week's Saturday Timewatch goes back to the age of the dinosaurs and shows the tracks of at least one plant-eatring Sauropod exposed by operations at Keates Quarry, Purbeck in 1997. There are around 100 prints, dating back c145 million years. The closest modern analogy is that of a herd of elephants gathering to drink at a water hole.

Done