On board Le Shuttle through the Channel Tunnel.
The Channel Tunnel is 50.45km (31.35 miles) long and runs under the English Channel between Folkestone in England and Calais in France. Cars are driven onto double decker carriages for the 35 minute journey then driven straight off, single decker carriages accommodate coaches and larger vehicles. The whole rake is powered by a 9,400hp Eurotunnel Class 9000 locomotive at either end of the train.
Somewhere under the English Channel, between England and France.