Introduction to the best vine in the world: The ancient vine is about 40 meters long and the diameter of the main trunk is about 17 centimeters. According to research, it has a history of 300 years. It takes root in the crevices of the rocks and climbs to the top of the cliff, like a giant dragon. Botanists were amazed by this, which is actually rare in the north. Tourists call it "the best vine in the world".