When West African tin miners unearthed evidence of a lost civilization. In the 1920s, terracotta heads and figurines were unearthed near the village of Nok in central Nigeria. They were ignored until a British colonial officer and archaeologist, Bernard Fagg, realised they were evidence of an unknown African culture dating back over 2,500 years. Alex Last speaks to Bernard's daughter, Angela Rackham.
Photo: A Nok terracotta (Marie-Lan Nguyen)