Introduction to Zhiyin Valley: Zhiyin Valley has dense forests, deep canyons, cliffs and waterfalls, streams and green beaches. It is quiet, beautiful and very charming. Legend has it that Yu Boya lived in seclusion here to practice the piano, and Zhong Ziqi came here to collect firewood. The two met here and found a close friend in the world. Later, Yu Boya traveled to a foreign country and returned alone. Zhong Ziqi had passed away. Yu Boya was extremely sad and broke his qin here to thank his close friend.