The video features a close-up view of a coral reef inside an aquarium. The reef is composed of various types of coral, including branching coral and brain coral. The colors of the coral range from purple to pink and orange. The coral is surrounded by rocks and other marine life, creating a vibrant and diverse underwater landscape. The camera pans slowly across the reef, allowing viewers to observe the intricate details and textures of the coral. The lighting in the aquarium highlights the colors and shapes of the coral, making them stand out against the darker background.