Shot by Ryan Deboodt during a two day kayaking trip, this film takes you on a journey through Tham Khoun Xe on the Xe Bang Fai River in beautiful Laos. 

Tham Khoun Xe is a river cave carved by the mighty Xe Bang Fai River and is located in Hin Nam No National Protected Area in central Laos. At 7 km long and with an average width and height of 76m and 56m respectively, it is considered one of the largest active river caves in the world.