Ang Thong Marine Park hidden cave exploration

During a 4 day Yacht charter from Koh Tao ( http://www.island-cruises.org/angthong-marine-park/), the Island Cruises team take some intrepid guests nearly 2 km inside the incredible fresh water cave in the Ang Thong Marine Park. Shot with torch light to illuminate the wonderful colours in the rock. Huge natural cathedrals, Stalagmites and Stalactites, fresh water lakes and streams.