The video shows a person wearing a diving mask and snorkel underwater. The person is swimming in a greenish body of water, and bubbles can be seen rising to the surface. The person's movements are slow and steady as they navigate through the water. The diving mask is black and covers the person's eyes, while the snorkel is also black and is attached to the mask. The water appears to be clear, and the person is the only visible subject in the video.