Just as the merciless heat of summer begins to show signs of relenting, Japan is now well into its typhoon season. It’s a bittersweet mix of winds and rain that can simultaneously cool us down and cause major destruction.

Just the other day, the city of Nagoya was hit by heavy rains which caused widespread flooding. However, surprising even the citizens who live there, new machinery charged with protecting the crucial subway system from being overwhelmed with water was unleashed.

Behold!

Image: Twitter

Alright, it’s not that mind blowing, but this clever bit of unexpected disaster preparedness seems to work like a charm.

Image: Twitter

All those times walking into a subway entrance I never thought it had the ability to lift up like, as one Twitter user said, “a transformer.” Other people on Twitter shared their photos and impressions as well such as; “The exit of the subway seems set up to stop water from road flooding. It’s really great!”

Why is that guy standing on the other side of it?

Image: Twitter

It’s unclear if these automatic floodgates are lying dormant at all subway entrances everywhere in Japan and have yet to be fired up. The only way to know is to wait for flooding in your area, or if you happen to see a key hole going into the ground by an entrance then you know what it’s for.

Source: Naver Matome (Japanese)

Image: Twitter

Image: Twitter

Image: Twitter