Group 1 - The article emphasizes the advantages of self-driving travel in remote areas, particularly in the context of a long-distance trip to Western Sichuan during the May Day holiday [1][2] - Western Sichuan is described as a region rich in natural beauty and cultural heritage, featuring attractions like Jiuzhaigou, Huanglong, and various snow-capped mountains [2][4] - The article outlines the best travel seasons for Western Sichuan, highlighting the importance of daily weather conditions over macro seasons for planning trips [4][5] Group 2 - The travel itinerary includes a 4-day route starting from Chengdu, covering approximately 1250 km with a maximum altitude of 5000 meters [7][12] - Specific daily activities are detailed, including visits to Qingcheng Mountain, Four Girls Mountain, and various scenic spots, with recommendations for accommodations and travel tips [10][17][21] - The article provides insights into potential challenges such as altitude sickness and offers preventive measures, including the use of oxygen bottles and gradual acclimatization [46][47]