In 360 degrees: What's going on at London Bridge?
The BBC has been given rare access to the biggest railway building project in Britain, the billion-pound rebuild of London Bridge station.
It's part of the huge plan to upgrade the Thameslink line, which criss-crosses London, and will finally be completed in 2018.
For regular users of the station it's already been a long haul and has caused many chaotic delays, so the BBC's transport correspondent Richard Westcott took a 360 degree camera behind the hoardings to see what is causing so much disruption.
06 May 2016