Here's a summary of 兰州龙山国际滑雪场 (Longshan International Ski Resort) in 50-100 words: Located in Gaolan County, Lanzhou, China, Longshan International Ski Resort is a popular ski resort with 13 ski slopes, covering an area of 750 acres and a snow-making area of 580,000 square meters. The resort has a highest altitude of 1836 meters and an average slope width of nearly 100 meters. It's known for its good snow quality, long and wide slopes, and suitable terrain for skiers of all levels. The resort is about 10 kilometers from Lanzhou city center and offers a variety of ticket options, including student and night skiing tickets.