BLUE NOTE PRODUCTIONS Film & TV GmbH presents the world’s first 3D underwater cave documentation, using custom-made, state-of-the-art 3D equipment! Breathtaking underwater scenery and the greatest challenge a diver can imagine, along with fascinating insights into the history of the Maya and the mysterious Mexican cenotes! Witness all this and more when following four young scientific divers from Kiel University, on their journey to the “Caves of the Dead”…