This is the entrance,

to 'The Metro', near our hotel. The Paris subway system is a great way to get around town, and one of the easiest to use, of the cities we've visited. Clean, on time, with lots of interesting passengers. France is the world leader in nuclear power, with over 80% of the country's energy being supplied by the reactors, powering the trains and subways, as well as lighting 'The City of Lights'. It's what happens when your country isn't dominated by 'Big Oil'. Who woulda guessed...