1. Ctrip is cheap to buy tickets, you need to buy one hour in advance to use, and it is 6 yuan to buy one person on the spot. 2. It is recommended to stay for at least 2 hours. When I went there, I was too rushed. It was the afternoon, and the narrator was also dumb... Some questions didn't have time to ask 3. Regarding various coals, I forgot after reading it... I think I still have to ask more questions of interest, so I can remember, haha 4, suitable for bringing children