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Some skulls are kept turned to the wall, their bones cracked and dirtied over the years. There used to be hundreds of bone crypts all over the UK but most were thought to be destroyed during the Reformation (REX/Geoffrey Robinson)

Bone collectors: Inside the creepy crypt of 1,000 skulls under a Northamptonshire church

The secrets of a creepy crypt holding more than 1,000 skulls and bones have been revealed. The 13th century crypt under the Holy Trinity Church in Rothwell, Northamptonshire, has been a source of great mystery and intrigue for villagers in the market town. The spooky collection is not the remains of soldiers or victims of the plague as it was once thought, but a place of memorial for superstitious pilgrims who wished to pray among the bones of their ancestors.