The Mirror Lake Butterfly Museum is located at Villa No. 12 of the HIT Sanatorium near the Mountain Villa Pier. Covering an area of 230 square meters, the museum houses nearly a thousand butterfly specimens from China and abroad, including world-class and China-specific rare species, alongside preserved butterfly artworks, stamps, and literature. Visitors can not only admire the vibrant beauty of butterflies and explore the profound butterfly culture but also gain in-depth knowledge about Mirror Lake's natural, healthy ecosystem and its biodiversity characteristics.

Next, we will visit the Jingpohu Lake Coin Museum, located adjacent to the Jingpohu Lake Butterfly Museum.

The Jingpohu Lake Coin Collection Museum is located at Villa No. 11, Harbin Institute of Technology Sanatorium, Mountain Villa Dock. Opened in April 2025, its exhibition hall covers an area of 210㎡ and houses over 3,000 ancient and modern coins and related artifacts from China and abroad. It systematically showcases the 5,000-year history of Chinese currency, with the earliest forms dating back to the pre-Qin period. Here, visitors can explore the evolution of ancient Chinese coins, appreciate the profound depth of numismatic culture, and admire the historical and cultural beauty embodied in these artifacts. Amidst this splendid ancient civilization, one can draw boundless confidence for the great rejuvenation of the Chinese nation and the modernization drive with Chinese characteristics.