Baiheliang is located in the Yangtze River north of Fuling City in the upper reaches of the Three Gorges Reservoir Area. It is a giant natural stone beam about 1600 meters long and 15 meters wide. Baiheliang Landscape is the only national key cultural relic protection unit in the Three Gorges Cultural Relics Landscape. It only emerges when the Yangtze River is dry from December to March of next year. Legend has it that in Tang Dynasty, Zhu Zhenren practiced here, then got the way and went by crane fairy, so he was called "White Crane Beam". UNESCO calls it "the only well-preserved ancient hydrological station in the world".            White Crane Beam, the origin of this poetic name, although there are different opinions, but all related to a person named Er Zhu Tongwei. Legend has it that in the Northern Wei Dynasty, Er Zhu Tongwei was unwilling to merge with Er Zhurong, a brother who usurped the throne. He abandoned his family and learned Taoism, and became a real man named Er Zhucheng. Erzhu alchemy market, to Hezhou, the price is arrogant. Too angry to throw Erzhu's cage into the river. Bamboo cage does not sink, but down the river, to Fuzhou white crane gathered in the stone beam, met a white stone fisherman raised the net and got it. When Erzhu was sleeping soundly, the fisherman should not cry out for a long time. He hit Fangsu and became his best friend. Fishermen still canoe netting, Erzhu continued to practice the true alchemy; Late in the evening, the knee bending relative chat, tiredness is enough to take the river into a dream. Bamboo flute and fishing songs and bronze-pierced scriptures are interesting to each other, and they share a deep love for each other. One day, Erzhu took Dandan and Baishi fishermen to drink with wine. After getting drunk, they took the White Crane to turn the fairy away. White Crane Beam is named after it.