Yungang Grottoes, the royal caves dug by the Northern Wei Dynasty, have been carved by a dynasty, and are known as world cultural heritage. The four major caves in China are, so I want to praise the ancient craftsmen. Although there are several caves that have not been seen in the maintenance of this time, it is definitely worthwhile. In addition, To see the grotto must listen to the tour guide, there are many ways, my experience: 1. Please the official interpreter, that is, the sisters in uniform, cost 100 yuan; (The best explanation is more suitable for groups) 2. The "Yungang Grottoes Explain" app in the scenic spot costs 10 yuan. There are other software of this kind. It mainly depends on how many pieces of audio are there. It is best to try it first. (Very detailed, more suitable for free travel individuals) 3. The scenic guide, see the guide and say yes, but it has been cancelled; 4. Baidu checks the information before departure, you can also find the video, first understand; above, see the benevolence, come out to travel, get used to doing homework, do summary!