The waters of the River Seine have always been the heart and soul of Paris . The centre of Paris, particularly that section gracing the Seine around Ile de la Cité and Ile Saint-Louis, features some of the city's oldest and most majestic historic monuments. The easiest and most relaxing way to view these sights in all their glory is from the glass-covered decks of the “bateaux-mouches”, those unique long-boats leisurely plying along the Seine , ideal for seeing everything and so romantic…