The northern province of Cao Bang on May 29 officially opened a centenary nine-compartment ancient stilt house of a Tay family in Tuc Nga village, Duc Xuan commune of Thach An district, to tourists. Turning the ancient house into a tourist destination is part of the province’s efforts to diversify its products in the sector, while encouraging locals to engage in the job and providing visitors with an opportunity to explore the local life.