Guangzhou can go to Lhasa and see the Potala Palace. You can choose two modes of transportation: train and plane. The real-time query results are shown in the figure below. The cost of taking a train from Guangzhou to Lhasa is 919 yuan for a hard sleeper, and the whole journey is expected to take 53 hours. From Guangzhou to Lhasa to 860 yuan. The ch:40 the night before, with China Southern Airlines connecting in Chongqing, and arriv:20 the next day. The budget is detailed as follows: [By train] It is necessary to solve the problems of five meals and two breakfasts on the train. Bread and milk can be bought in advance for breakfast, and 6 yuan/meal is budgeted. For dinner, you can eat about 25-30 yuan lunches on the train, or you can bring your own instant noodles or hot pot with self-heating rice (it seems that self-heating rice is no longer allowed on the high-speed train, I wonder if there are any regulations on this train in Lhasa). [By plane] You don&;t have to consider the problem of eating, because there will be meals provided by plane, and there will also be meals at Chongqing Airport, with a per capita meal of 50/ meal. [Accommodation in Lhasa] The business circle of Potala Palace ranges from 200 to 600 yuan/night. If you only yearn for Potala Palace, then two days at most is enough. You should leave a whole day for the sunrise, sunset and night view of Potala Palace. Sunrise and sunset are magnificent, and there will be a musical fountain performance in front of Potala Palace at night. After the performance, you can shoot the reflection of Potala Palace. It&;s just right to visit the whole Potala Palace during the day. [Potala Palace] You need to make an appointment in advance to visit, and 9 :30-16 :00 is the visiting time in the morning. Tickets are available in 200 yuan in peak season and 100 yuan in low season. Lhasa cuisine per capita 100 yuan/thr: suggested going by train to gradually adapt the body to the plateau climate, so that it is not easy to get high, and the plane will save time. In this way, the budget is 919 yuan for the hard sleeper on the train+200 yuan for the snacks on the train+860 yuan for the plane+50 yuan for the transit meal+200 yuan for the Potala Palace ticket+400 yuan for Lhasa accommodation+200 yuan for Lhasa meal = 2,829 yuan (estimated). There is no charge for buying handwritten souvenirs here!