Panlong Pine Introduction: Climb to the top of Qingsong Ridge, look down at the 100-foot cliff, and look at the lush greenery. Ancient pines stand between the cliffs, opening their arms to welcome tourists. This is the famous Helan Mountain Welcoming Pine - Panlong pine, according to legend, the Panlong pine was transformed from the white dragon that Monk Tang used when he was studying in the West. The tree has upright branches and dense needles, giving people a positive and vital passion. It is the best place for tourists to take photos.