目次 1 in hot humid summer Tokyo in hot humid summer Tokyo ‘Sustainable lifestyle in Tokyo, cool down 11℃ in hot humid summer Tokyo-2’ I visited NIPPARA limestone cave in OKUTAMA, west part of Tokyo. This limestone cave is one of the 9 popular limestone caves in Japan.It was a … Continue reading Sustainable lifestyle in Tokyo, cool down 11 ℃ in hot humid summer Tokyo