A group of people are riding in a small boat through a large, partially lit cave. Most of the people in the boat are wearing life vests and red helmets. A woman in a baseball cap is facing the camera at the front of the boat. Another passenger is taking pictures with their phone. The walls of the cave are visible around the boat, with some green vegetation growing on them. The water is calm and green. The boat is moving forward into the dark depths of the cave.