Nielong Cave Introduction: Nielong Cave, also known as Yilong Cave, is a typical karst landform landscape and a rare underground palace with winding paths inside the cave, which is magnificent and wonderful. According to legend, there was an evil dragon in Poyang Lake in ancient times who wanted to turn Jiangxi into a Zeguo. He made trouble everywhere and killed the people. Later, he was chased by Xu Zhenjun Jianglong and reached the foot of Yangqi Mountain. When the evil dragon escaped from Yangqi Mountain and escaped through the mountain, the cave was left behind. Therefore, name.