A skull found in London
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Asylum burial site found amid Crossrail dig

8 August 2013 Last updated at 17:53 BST

Archaeologists have uncovered one of the biggest burial sites ever to be found in London, and it's on the building site of a new train line.

The site contains thousands of skeletons. Many are thought to come from a 16th century mental asylum.

The bones were discovered at one of the construction sites of the new Crossrail network, which will create a faster route from west to east London.

Ayshea Buksh reports.