Analysis of information sources in references of the Wikipedia article "太极洞" in Chinese language version.
The average temperature in the caves is 18 degrees C. For the convenience of visitors, the caves are equipped with cableways, slides, and cable cars.
太极洞古称长乐洞、广德埋藏、太极真境、太极总仙洞天。[……]明代文学家冯梦龙在其名著《警世通言》中,将太极洞与雷州换鼓、登州海市、钱塘江潮并称为天下四绝。
The average temperature in the caves is 18 degrees C. For the convenience of visitors, the caves are equipped with cableways, slides, and cable cars.
太极洞古称长乐洞、广德埋藏、太极真境、太极总仙洞天。[……]明代文学家冯梦龙在其名著《警世通言》中,将太极洞与雷州换鼓、登州海市、钱塘江潮并称为天下四绝。