In the video, a man is seen sitting in front of a large aquarium. He is wearing a black cap and a black shirt. The aquarium is filled with various types of fish and other sea creatures. The man is holding a small black device in his hand, which he uses to interact with the aquarium. He touches the device to the glass of the aquarium, and the fish inside swim towards it. The man seems to be enjoying the interaction with the fish and the device. The aquarium is well-lit, and the water is clear, allowing for a good view of the fish and other sea creatures inside.