Lake and mountain. According to the official website of the 19th Asian Games in Hangzhou, the medals of the 19th Asian Games in Hangzhou are named "Hushan", which is based on the emblem "Tide", the mascots "Cong Cong", "Chen Chen" and "Lian Lian", and the core graphics " "Moisture" is another core element of the visual image system of the Hangzhou Asian Games after the "fire" of the torch. It is an important expression of the cultural aesthetics of the Asian Games. "Hushan" is represented by the jade cong, a ritual instrument from the Liangzhu culture. It integrates the square jade cong and the round medal into one, which is unique and highly recognizable. "Hushan" presents the geographical characteristics of Hangzhou. The front of the medal uses protruding lines to outline a picture of Hangzhou with "three sides of clouds and mountains and one city", with rippling lakes and undulating mountains, which is breathtakingly beautiful; the back of the medal is shaped like a square seal, implying that the athletes left a beautiful mark at the Hangzhou Asian Games. "Hushan" expresses the temperament of Hangzhou as an ecologically civilized city. The lakes and mountains, green waters and green mountains have created gold and silver mountains, as well as gold and silver medals. "Hushan" shows the sports spirit of climbing to the top. The mountains are high and people have peaks. Among the mountains, athletes work hard, challenge themselves, and climb one peak after another.