Two train stations very close to one another can be easily confusing the first time around. Whether your station (gare) is Paris-Bercy or Paris-Lyon depends on whether your train is a night train or a day train, if you are taking your car with you, if you are traveling to Italy or one of three particular French destinations. No TGVs leave from Bercy; they leave from Paris-Lyon. In preparation for our night train voyage to Venice, we took a stroll to reconnoiter our departure from Gare de Bercy. The Gare de Bercy is not next door to Gare de Lyon as I had thought. It was a walk outside for…