There is a proverb in China, saying "East or west, Guilin's scenery is the best". Well, this may be a bit exaggerated, but it is true that the karst landscape of Guilin is world-renowned and millions of travelers come to Guilin every year, to take in its magical karst hills, bizarre caves and enchanting rivers. What is Karst? Karst is a landscape formed by the dissolution of soluble bedrocks (mainly carbonate rocks such as limestone, dolomite and gypsum), featuring sinkholes, caves and…