Do intelligent tour guides charge?

In the early days of starting a business, Wu also admitted that due to the lack of funds at that time, voice guides used to be charged and promoted through inns in Pingyao. But with all the way to the A round of investment, this method has been rarely used at present. "However, there are indeed a few scenic spots that offer voice navigation charges like Huangguoshu Waterfall. Of course, we will not refuse. So about 20% of the scenic spots along the way are paid to listen to audio guides, but we can guarantee that the content of all paid audio guides will be better and satisfy users.