Highlights: The Yanjing River Scenic Area is located in Gulin County, Sichuan, close to the famous historical and cultural towns of Taiping Town and Erlang Town. The Yanjing River Scenic Area is currently a representative bathing cave with rich landscapes in the Chishui River Basin. It has "secluded caves, strange rocks, gorgeous scenery, and gorges". "show" characteristics.Yanjinghe Scenic Area, formerly known as Qinglong Cave, was formed in the Cretaceous period and has a history of hundreds of millions of years. The proven length of the cave in the Yanjing River Scenic Area is 6.6 kilometers, and the currently developed cave is 2.5 kilometers long. The landscape in the cave is rich, with lifelike stalactites of different shapes, stone waterfalls, stone ganoderma, stone corals, stone pillars, stone flowers and other wonders can be seen everywhere; the calcification pool is huge in area, as crystal clear as jade, and the clear water falls from the sky, forming a wonderland fairyland landscape, known as "Yellow Dragon in the Cave"; the view in the cave is broad. Four cave halls about 100 meters high are connected end to end. Each dome has its own characteristics. Some are like the vast night sky full of stars, and some are like the splash-ink landscapes written by traditional Chinese painting masters. It is eye-catching. The eyes are like a fairyland. The raging underground rivers, underground canyons and other strange landscapes in the cave are the most beautiful landscapes in the Yanjing River Scenic Area.