The video displays a close-up view of a coral reef. The reef is covered in various types of coral, including some that have long, thin tentacles and others that are more rounded and bulbous. The colors of the coral range from bright orange to deep red, with some coral appearing to have a greenish hue. The coral is densely packed together, creating a vibrant and diverse underwater landscape. The video does not show any fish or other marine life, focusing solely on the coral formations.