Ryugashido Cavern, Hamamatsu, Shizuoka, Japan
At the weekend, we went to Ryugashido Cavern, near Hamamatsu.
Its a little of the beaten path, so you really need a car to get there.
The ticket price is 1000 yen, its pretty expensive, but worth it.
A century ago, the only visitors to the cavern were bats. In the 1980s a Japanese man started to ope