Hukou Waterfall is truly a must-see in person; photos simply can't capture its breathtaking beauty. We explored the west side this time, and the Dragon Cave is a must-see – the 20 yuan entrance fee is well worth it! Standing at the bottom of the cave, looking up at the Yellow River crashing down overhead, the spray hitting your face, the deafening roar, you're completely enveloped – an experience you can't fully grasp from above. However, it is indeed very wet inside the cave, so it's best to put your phone in a waterproof case. In the morning, when the light is good, you can even see a rainbow, and if you're lucky, the photos will be stunning. Parking in the scenic area is quite convenient, and the shuttle bus service is smooth.