landscape Dong Van travel guide Explore Dong Van — Stone plateau & Lung Cu terrain Meo Vac travel guide Explore Meo Vac — Ma Pi Leng & Nho Que river filter_hdr Quan Ba travel guide Explore Quan Ba — Heaven Gate & Twin Mountains forest Yen Minh travel guide Explore Yen Minh — Pine forests & valleys agriculture Hoang Su Phi travel guide Explore Hoang Su Phi — Terraced fields place Vi Xuyen travel guide Explore Vi Xuyen — Southern gateway to Ha Giang location_city Ha Giang city travel guide Ha Giang city — Start of the Loop