Akiyoshidai is the largest karst plateau in Japan. It located at Mi-ne city in Yamaguchi.
This plateau is made by ancient coral reefs.
Becoming the plateau,it takes about 200 million years.
There are many limestone rocks in this area.
There are about 400 limestone caverns in this area.
Akiyoshido is the largest limestone cavern in our country.
The entrance of Akiyoshido.
I took mono tone photos in this cavern.
We stayed a nice suite when we were in Yamaguchi.
A Japanese room, a bed room and a living room.
With a hot spring bath room.
A heated swimming pool only for us.
Thanks for visiting this post.