4/13. Aberystwyth to the Wirral. The latest leg of Nicholas Crane 's journey takes him from Cardigan Bay in Ceredigion to the English/Welsh border via the seaside resort of Llandudno. Along the way he hears the heroic story of how two bridges were built across the treacherous Menai Strait. Joining Crane are anthropologist Alice Roberts , who explores the biggest prehistoric copper mine in the world, historian Neil Oliver , who unearths a Welsh Atlantis, and zoologist Miranda Krestovnikoff , in search of the elusive leatherback turtles. Continues on Friday at 9pm.
Series producer Steve Evanson : Series editor Gill Tierney INTERACTIVE: short films, information on 39 coastal walks around Britain (12 with mobile-phone commentary), plus how to sign up for free local guided walks are available via the red button. Details of the walks are also available at www.bbc.co.uk/whereilive or by calling the information line on [number removed] (national rate)