Season 3

Three Britons perform their regular jobs in tough locations, beginning with Staffordshire mine rescue worker Craig Notman working with unofficial gold miners in Mongolia.

Colin Window, a London bridge officer, goes to Bangladesh to work on the Buriganga river, one of the world's busiest waterways.

Emergency nurse Maria Connolly leaves the A&E department of the Royal Preston Hospital to work in Ciudad Juarez, Mexico - the centre of a violent drug war.