Write a short article about the scenery in Pingtang County, Guizhou Province.

Pingtang Scenic Area is located on the slope of Guizhou Plateau descending to the hills of Guangxi, and belongs to the karst area in the middle subtropical zone. Due to the large area and continuous distribution of carbonate rocks in the scenic spot, karst landforms are very developed in a specific geological and geographical environment, which constitutes the most striking subject in the whole natural landscape. The landform in this area is diverse, with sharp and dense cone peaks, deep and steep canyons, rivers undercurrent or pass through the canyons, and irregularly bend between different rock layers. On the karst landform in mountainous areas, it is covered with well-preserved virgin forests, showing a variety of natural landscapes.