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2/5 Neil MacGregor tells the story of the global trade in tea - with a Victorian tea set.
Evan Davis runs through the contenders for A History of the World's last object.
1/5 Neil MacGregor with the chronometer that accompanied Darwin to South America.
5/5 Neil MacGregor with an object from the 18th century Chinese Enlightenment - a jade ring.
4/5 Neil MacGregor with an aboriginal bark shield brought from Australia by Captain Cook.
3/5 Neil MacGregor with a buckskin map from North America.
2/5 Neil MacGregor with a feathered helmet given to Captain Cook by Pacific Islanders.