Angie Dymott, a paramedic from Cardiff, spends two weeks with ambulance workers in Guatemala City - a place with one of the world's highest violent crime rates. Show more

London bus driver Josh West heads to Manila, the world's most densely populated city, where, with his host Rogelio Castro, he braves the chaos of the streets in a Jeepney. Show more

Midwife Suzanne Saunders-Blundell abandons the maternity unit at Good Hope Hospital in Sutton Coldfield to work in Monrovia, the capital of Liberia. Show more