Life Beyond the Edge

Nick Crane explores the exotic Isles of Scilly - 28 miles beyond Land's End, these are England's final full stop. On magical isles with a Caribbean feel, Nick joins the locals to attempt one of the most bizarre walks in Britain, as they try to wade on foot through the surging seas from island to island. It's a challenge only possible at exceptionally low-tide, yet still the seawater threatens to swamp them.