The latest national and international news, exploring the day's events from a global perspective.

Julia Bradbury takes a series of walks following Britain's lost rail empire. She crosses Cornwall, following a railway that has not operated for 140 years. Show more

Wildlife documentary. Jungle tigers are turning into man-eaters in the exotic island of Sumatra. Now a maverick millionaire is catching the killers and releasing them on his land. Show more

Investigation into an Australian cult which acquired numerous children it then isolated from the outside world and allegedly beat, starved and injected with LSD. Show more

Series on how London has changed since Charles Booth's 1886 survey. Reverdy Road, Bermondsey, has endured as an enclave of working-class respectability. Show more

Alastair Sooke unpicks the reasons behind the dazzling revolution that gave birth to classical Greek art, asking how the Greeks got so good so quickly. Show more

Documentary following Dick Strawbridge and Alice Roberts as they explore the British landscapes that inspired children's author Arthur Ransome to write Swallows and Amazons. Show more

Documentary in which Nigel Slater looks at the history of the humble biscuit and asks what makes Britain a nation of ardent biscuit eaters like no other in the world. Show more

Investigation into an Australian cult which acquired numerous children it then isolated from the outside world and allegedly beat, starved and injected with LSD. Show more

Documentary telling the story of a teenage girl in Iran pursuing her dreams against the odds. Sonita dreams of being a rap star, but is sold into marriage back home in Afghanistan. Show more