From early June 2016, Quang Binh province has more two tours “discovering caves” Paradise cave  7000m – Heaven well adventure  and  the Hang Va and Nuoc Nut cave tour. Beutiful landscape in Hang Va cave makes tourists surprised. INTERNET PHOTOS According to the content of the document  No. 1058 / VPUBND-VX (dated 30-5-2016), Quang Binh provincial