Ronald Fritz, Underground in Vietnam (Travel (2019))

With these photos I try to show a little glimpse of the beautiful cave formation in the Phong Nha Ke Bang National Park in Vietnam. These photos are from Son Doong, Hang En, Hang Va and Nuoc Nut caves.

Images have been resized for web display, which may cause some loss of image quality. Note: Original high-resolution images are used for judging.