 Special locations for individual episodes have included the Gower Peninsula, Sharpness Docks, the University of Exeter and New York City.The series was shot entirely in High Definition, using Sony HDW-750P cameras for the first two series, and Sony HDW-F900R thereafter, both supplied by Panavision.It was edited by BBC Studios and Post Production in Bristol, using Autodesk Lustre and Autodesk Smoke.