A mystery that continues to amaze scientists from many disciplines is the Longyou Caves, located near the village of Shijen Peichun in the Chinese province of Zhejiang. This mysterious underground city with 36 cave halls, stone bridges and swimming pools is rightly considered the eighth wonder of the world. Nevertheless, it has fallen into oblivion for many centuries and it was not until 1992 that it is a coincidence… Continuation of the text China: Mysterious cave complex Longyou