It is recommended that you bring comfortable shoes. You will undoubtedly being doing a lot of walking, so comfortable shoes are a must. Sunscreen is recommended also. Since Guilin is located in a subtropical zone and has a long rainy season, it is recommended you bring an umbrella. It’s always a good idea to prepare insect repellent in summer. And of course, do not forget your camera, film and batteries, this place is so picturesque and you are going to keep taking photos.