Did you Know? Lost property handed in to London Transport over the years has included three dead bats in a box, two human skulls, several silicon breast implants, an outboard motor from a boat, an artificial leg and a whole stuffed gorilla. After Charles II's son Duke of Monmouth was executed for treason his head was sewn back on so he could sit for a royal portrait. In 1868 London's first ever set of traffic lights blew up, killing a policeman and causing the mounts of a passing platoon of cavalry to stampede. When a new stretch of the Piccadilly Line tunnel was excavated from Finsbury Park to Hammersmith in July 1902, the spoil was used to build up the terraces at Chelsea's Stamford Bridge football ground. With a range of 30 miles, the main guns of HMS Belfast are targeted on Barnet and if fired would destroy Scratchwood Services on the M1.