The video shows an aquarium with a variety of green plants and algae. The plants are of different shapes and sizes, with some appearing to be moss and others resembling seaweed. The water in the aquarium is clear, and the plants are swaying gently, indicating a slight current. There is no visible fish or other aquatic animals in the video. The lighting in the aquarium is dim, creating a serene and natural atmosphere. The camera moves slowly, allowing viewers to take in the details of the plants and their surroundings.