The Quang Binh Department of Culture, Sports and Tourism has published three photo books depicting the beauty of caves discovered in the Phong Nha-Ke Bang National Park over the last 20 years.
Titled Quang Binh Que Huong Toi (Quang Binh - My Hometown), Kham Pha Quang Binh (Discovering Quang Binh) and Du Lich Quang Binh (Quang Binh Tourism), the books feature a collection of more than 2,000 photos taken by local and international photographers, including hundreds taken by world's leading spelunkers.
The books also introduce various cultural facets of the Kien Giang, Nhat Le and Gianh river basins in the central province.
In addition to boasting a diverse ecosystem, the Phong Nha-Ke Bang National Park is home to a large number of historical relics and archeological sites.