Mont St. Michel, France法国圣米歇尔山 Visit during high tide to witness the water surging in and surrounding the Mont, and at low tide to walk across the tidal flats with a guide.潮汐涌来时可以观赏水流汇聚、环绕山谷，潮汐回撤时可以在向导带领下穿行山谷之中。
