sentences:  The Channel Islands have five passage graves with side chambers (La Hougue Bie, Faldouet and Grantez in Jersey, La Varde and Le Déhus in Guernsey).La Hougue Bie is a Neolithic ritual site which was in use around 3500 BC.In Western Europe, it is one of the largest and best preserved passage graves and the most impressive and best preserved monument of Armorican Passage Grave group.