CU of kayakers hands on cave wall, PULL BACK to kayaker shimmying across wall. VAR of kayaker carefully moving across slippery cave wall, finally rappelling across to another kayaker, then pulling his kayak across on rope, another kayaker sliding across. VAR of kayakers in dark cavern, lighting cavern with lights on their helmets. LS of kayakers in their boats with their helmet lights on emerging from entrance of cave. (253)