London's fossils: An ancient world hidden in the city
London might not be an obvious destination for fossil lovers, but in fact the city has a rich array of prehistoric creatures held within its walls and paving stones.
Here, Issy Gilbert, a palaeontology PhD student from Imperial College London, reveals the ancient world that can be found at some of London's most famous destinations.
Video journalists: Nick Crumpton and Rebecca Morelle
13 Sep 2012