sentences:  Wu River Gallery is the long, naturally formed river bank of Wu River in Chongqing Youyang, and it is a 4A scenery spot.It is famous for the strangely shaped mountains along the gallery.Longtan ancient town is a famous ancient town which is listed on the most beautiful ancient town of National Geography .And there are so many ancient architectures there that were made of wood, and, most of them have a long history.