The video shows a group of people scuba diving in a large aquarium. They are wearing scuba gear and swimming around, exploring the underwater environment. The aquarium is filled with various types of fish and coral, creating a vibrant and colorful scene. The divers are seen waving and interacting with each other, and the camera captures their movements as they navigate through the water. The lighting in the aquarium is dim, with the main source of light coming from above, casting a blue hue over the entire scene. The divers appear to be having a good time, and the video captures the excitement and wonder of exploring the underwater world.