3/5 Roger travels to Chongqing to see what new museums are being built there.
BBC Radio 4
Two mortuary attendants in Zambia discuss their work and the stigma they must deal with.
BBC World Service
Are stolen Arab billions still locked in British banks? Jenny Cuffe reports.
Jake Wallis Simons explores the murky and controversial world of private investigators.
2/5 Roger continues his journey through Shanghai, visiting a bank museum and a tobacco museum.
Christopher Gabbitas explores the effects on singers of changing the pitch of their voice.
Can we use the Amazon for the wealth of resources it contains, but still keep it alive?
2/3 Iran is subsumed into Arab Muslim, Turkic and Mongol empires, but fight their conquerors.
3/6 Debating the advantages and disadvantages of being really huge, or extremely small.
Richard Coles on the various ways that the voice of God is depicted, and what this reveals