Indescribable beauty of Amazing underwater caves in Sweden

http://www.svtplay.se/video/1276508/den-osynliga-alven
Fantastiska undervattensgrottor från forntiden av kalksten som har formats av vattenflöden vars skönhet är obeskrivlig.

Amazing underwater caves from antiquity of limestone that has been formed by water flows whose beauty is indescribable

From a Swedish program about an expedition to explore and to map a great and marvelous cave.

http://www.youtube.com/watch?v=hJEucMB4wWk