May Day trips with three people! The first time I went to the underground river to praise the scenery alarm inside! Overall evaluation is good. Experience 1. There are many people on holidays. If you want not to spend time, you should start at 8:00 in the morning. It's better to eat later than 10:00 before you enter your own self-driving. The parking lot in scenic spot is blocked or parked in the parking lot set by villagers for 30 yuan. The parking lot in scenic spot is 10 yuan. You can walk for 15 minutes to reach the ticket gate. Experience 2: Take clothes and umbrellas with children and old people to prevent cold and raindrops in the cave. It is necessary for the cave to be wet and slippery. Experience 3: The general route is to walk first and then take a boat. However, due to the long queue, there are two ways to avoid turning back by boat, or to choose the opposite route to take a boat tour and then walk. Specifically, the information guide center can save more than two and a half minutes of queue! Keep that in mind! Experience 4: There is no toilet in it. If more people need to queue up, they will spend 3.4 hours in it. Think about it yourself. Finally, I think 120 yuan ticket is worth appreciating! Have a good trip.