In the video, a person is seen standing in front of a large fish tank. The tank is filled with water and has several fish swimming around. The person is holding a small bowl filled with green plants, which they are placing into the tank. The plants are being placed in the water, and the fish are swimming around them. The person continues to add more plants to the tank, creating a lush underwater landscape. The fish seem to be enjoying the new additions, swimming around the plants and exploring their surroundings. The video captures the peaceful and calming effect of the fish tank, with the movement of the fish and the swaying of the plants in the water.