With a diameter of 645 meters, the Shiyuan Tiankeng of Wulong County boasts of the largest mouth area. Because the overall shape of a heart, it earned the nickname "heart of the earth".

"Knife King" was standing upside down on blade

Excellent intangible cultural heritage performances gained popular support

Tiankeng Villages not only own beautiful scenery, but also rich customs. There are three big names and they all have great talents. In the Folk Song Pavilion, folk song talent Zhang Hongxin played several modern songs with his "Tujia Artifact" which he crafted himself by combining a pipe, horn, leather, wool, and coke bottle. Children's praise echoed from the scene now and then.

In the House Of Ridge, the performance played by "Xiao Li's flying knife" excited people's mind. Flying knife accompanied by the roll of drums made tourists' heart faster and flesh shaking. The "Blade dancer" walked barefoot on the broadsword for thirteen meters and even stood upside down at the highest point. The parents present all stepped forward and recorded the highlight.

Families, together with left-behind children, watch the Tujia intangible cultural heritage "Sanbang drum".