日本最大級の堰堤~栃木県日光市・足尾砂防堰堤~ #shorts #足尾砂防堰堤 #日光 #dam #ドローン #drone

Ashio sabo dam in Nikko City, Tochigi Prefecture. The dam is 39m high, over 200m long, and 7levels. It is one of the largest dam in Japan.

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