The Chamber: Exploring The World's Greatest Cave

The film documents the discovery and exploration of Sarawak Chamber in Nasib Bagus cave in the Mulu National Park, Sarawak, Borneo. Since its discovery in 1980 Sarawak Chamber remains the largest cave chamber yet discovered and is the largest unsupported structure on earth either natural or man made. Following the original explorers as they return to the chamber 30 years later.