Dragon blue Ryusendo Cave, one of Japan’s three major caves, with a world-famous underground lake with high transparency
20230726 Hello, my name is Cindy from Taiwan. This time, I want to introduce you a famous tourist spot in Iwaizumi Town’, Ryusendo Cave! Ryusendo Cave is one of Japan’s three major caves, and its transparency is world-famous. You will never regret it, so please visit once in your lifetime! The cave boasts that it …