Introduction to Qixian Lake: There is a "Seven Star Dune" in Nankun Mountain. It is said that the seven fairies came to Nankun Mountain to play and left. The seven hills grew out of the place where they stood. The arrangement of the hills is a bit like the Big Dipper in the sky. The "star" "Xian" is a homophonic sound, so it is also called "Qixing Dun". Later, a reservoir was built at Qixing Dun, which is now the "Qixian Lake".