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The filmmaker sheds light on some of Britain's factories that produce various products that are in huge demand during Christmas.

Chef Rick Stein embarks on a spectacular journey across the Indian subcontinent to explore the variety of cuisines it has to offer. He also searches for the best curry and the ingredients it needs.

Historians and architects take a closer look at some of the most iconic structures in the world to see if they could be built today using modern technology.

The filmmaker sheds light on some of the extraordinary and fascinating gestures made by various species of animals when they mate.