Land lock (陸閘)
2021年12月6日 07時28分There is a structure like this near the sea in Tokyo.
In Japanese, they are called "riku-kou," and they are seawalls that protect against storm surges.
Suddenly, I was surprised to see rails on the road. I was surprised.
This is a defense technique of Tokyo, which has built a large city right next to the sea.
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