Photo: Screenshot fromYouTube

Japan’s manhole covers are absolute works of art.

The mini doc walks us through the whole creation operation at the Hinode Water Equipment Co. factory.

Before the test, though, there are some mesmerizing steps.

Watch How the Colorful Japanese Manhole Covers Are Made on This Short Documentary

Photo: Screenshot fromYouTube

Arguably the most alluring part of the documentary is when the color is added to the intricate design.

Since they have to be resistant to the elements, the pigments are heated for extra durability.

This is a common thread in the equally curiosity-spiking manufacturing documentaries Process X produces, frompencilstosamurai swords.

To stay up to date with Process Xs videos, follow them onYouTubeandInstagram.

Process X produced a short documentary about how Japan’s colorful manhole covers come to life.