Hidden treasures in Montmartre.All self respecting Parisians have done the tour of Montmartre taking in the famous Place du Tertre and the Sacré Cœur at least once.But do you know the wall covered with "I love yous"? What about the bistro used in the film Amelie? Is it true that a man walks through a wall?This route takes in interiors like Abbesses church and outdoor scenes too, depending on weather conditions during the outing.