C1095 Draconis Repens Thunb
The interior of the cave was very spacious. Not all of the caves were dug out later, it should have been part of the cave by itself. However, after being excavated and expanded, it had grown to such a scale.
Near the cave entrance, there were a few stone rooms that seemed to be used for resting and training. The cave was spacious, clean, and well-ventilated