Tua Chua Karst Plateau, located about 130km from downtown Dien Bien in the northwestern region of Vietnam, has three-fourths of its area rugged rocky land (Photo: VNA) 
It was recognised by UNESCO as a Global Geo-park in 2010 (Photo: VNA) 
Most roads are lined with stone fences (Photo: VNA) 
All the residents of the Tua Chua Karst Plateau are Mong ethnic minority people (Photo: VNA) 
(Photo: VNA) 
(Photo: VNA) 
Mong ethnic people grow cereals on small fields among the rugged rocky plates (Photo: VNA) 
A road through the karst plateau in Sin Chai commune (Photo: VNA) 
(Photo: VNA) VNA
