For the first time, the BBC has been allowed to fly a remote controlled camera along the tunnels of Crossrail, the giant building project that will eventually see trains criss-crossing London and the South East on a brand new train line.
For the first time, the BBC has been allowed to fly a remote controlled camera along the tunnels of Crossrail, the giant building project that will eventually see trains criss-crossing London and the South East on a brand new train line.
