Ancient double tiles in Hoai Khao village (Photo: VNA) 
Locals in Hoai Khao work to keep their village clean (Photo: VNA) 
Mother Nature offers people in Hoai Khao valuable gifts, including ‘day’ herbal tea which is harvested in the forest (Photo: VNA) 
A place to carry out ‘Le cap sac’ (maturity ritual) of Hoai Khao locals (Photo: VNA) 
Locals in Hoai Khao village use small wooden barns to store rice (Photo: VNA) 
Tourists are eager to visit rice barns of Dao Tien ethnic minority people in Hoai Khoai village (Photo: VNA) 
Ancient trees in Hoai Khao village (Photo: VNA) 
Villagers in Hoai Khao restrict beehive destruction. Big beehives with millions of bees create an unique, spectacular scene (Photo: VNA) VNA
