Tu San Canyon in Dong Van Karst Plateau, the northern mountainous province of Ha Giang has a depth of about 800m, a length of 1.7km, a cliff slope of 70-90o (Photo: VNA)
From the canyon, tourists can admire spectacular beauty of mountains, deep green Nho Que River winding long pass foot, immense green corn fields or mossy stilt houses hidden in clouds and mountains (Photo: VNA)
VNA