The AAAA tourist attraction in Yanshan District, Guilin, Guangxi covers an area of more than 6000 mu, forming a large-scale comprehensive tourist resort centered on Guanyan Underground River. The underground karst cave with a thousand years of human history was later renamed "My Guanyan" because its mountain looks like a imperial crown. With unique natural landscape, pastoral scenery and local customs, it is the only tourist scenic spot developed in the elite section of the Lijiang River