Northeast (Vietnam)
…the Gâm River's anticline, Ngân Sơn-Yên Lạc Bow, Bắc Sơn Massif, Đông Triều Mountain range. Mountains rising above the sea form the famous scenery of Hạ Long. The arc of these mountains are mostly covered tail at Tam Đảo. Southwest, from Phú Thọ, southern Tuyên Quang, southern Yên Bái and Thái Nguyên, lower…