The video features a series of images of a futuristic city under the sea. The city is composed of several large, dome-shaped structures that are connected to the ocean floor. The structures are made of a transparent material, allowing for a view of the ocean below. The city appears to be self-sustaining, with wind turbines and solar panels visible on the structures. The ocean is a deep blue color, and the sky is a light blue with a few clouds. The video gives a sense of a peaceful and advanced underwater civilization.