Group 1: Xinjiang Karajun Lake - Karajun Lake in Xinjiang is a high-altitude lake located at approximately 2000 meters above sea level, known for its mineral-rich waters and varying colors due to seasonal light changes [1] Group 2: Xian Nv Lake in Jiangxi - Xian Nv Lake covers an area of 50 square kilometers and features 99 islands with over 80% forest coverage, attracting around 4 million visitors annually and generating approximately 700 million yuan in revenue [4][9] Group 3: Gansu Gannan Grassland - Gannan's Meiren Grassland, with an average altitude of 3500 meters, features unique "frost heave mounds" due to rich underground water and temperature variations, supporting rare plant species like the national protected Red Flower Green Velvet [11][13] - The local ecosystem is managed through seasonal grazing practices and controlled livestock numbers to maintain grassland health, supplemented by cultivated oats for feed [13][15] - The scenic grassland promotes tourism, especially from July to September, with activities like karting and horseback riding, enhancing local economic development [17]