The image is a large poster with a colorful illustration of an underwater scene. The background is a light blue color and the illustration is made up of various types of fish, including sharks, dolphins, and other marine creatures. The fish are arranged in a circular pattern, with some overlapping each other. In the center of the image, there is a group of people wearing scuba diving suits and helmets, holding snorkeling gear. The people are surrounded by bubbles and bubbles, and there are also small fish and coral scattered throughout the image. The text on the poster is written in Chinese characters and appears to be related to the underwater world. The poster is displayed on a white wall in an indoor space with a tiled floor and a white ceiling.