It's unlikely to happen. Tips: 1. Yunnan has a plateau climate with changeable weather. Please don't forget to bring your umbrella when you leave. 2. The altitude in Yunnan is relatively high, and the sun's ultraviolet rays are relatively strong. Please wear sunglasses when you leave, and group members who love beauty may wish to bring skin care products (sunscreen, etc.). ); 3. Due to the relatively high altitude in Yunnan, some tourists will experience altitude sickness. Please take a drinking cup with you when you leave, because drinking more water is an effective measure to alleviate altitude sickness. After taking the elderly and children to the tourist area, remember to buy a disposable oxygen bottle just in case; 4. The temperature difference between the northwest route of Yunnan Province is relatively large in the morning and evening, so you can wear short sleeves during the day and a jacket on your hand if it is cold at night. 5. Yunnan specialties: Yunnan Baiyao, tea, cigarettes, jewels and jade, wood carving crafts, flowers, dried flowers, wild mushrooms, Xuanwei ham, marble products, plum series foods, and Bai tie-dyeing. For more information, please refer to Yunnan Travel Network: