Quadcopter flying through Railway Tunnel - Crash at end
Tunnels, Steam & Sunshine on The Keighley and Worth Valley Railway
The Clayton Tunnel rail crash occurred on Sunday 25 August 1861, five miles from Brighton on the south coast of England. At the time it was the worst accident on the British railway system. A train ran into the back of another inside the tunnel, killing 23 and injuring 176 passengers.