Behind the scenes at the Gare du nord | France 5 | Camera 5

Half a million people use it, three thousand people work there and it serves more than two and half thousand trains. The Gare du Nord is the hub for services to the north of France and across Europe, including Brussels, Berlin and London. It’s the busiest station in the world, after Tokyo and Chicago. Who are the people that use it? Who works here? How is this ?city within a city’ administered? Why is security here so extensive? We reveal all at the worlds third largest railway station!