Mind blowing craftmanship by tatami artist Kenzie Yamada.
The soaring crane design comes in jigsaw puzzle like pieces, and mats are in fact monocolor. Dark/light areas appear thanks to how each tatami straw mat is woven, beautifully catching the light.
You can see below the different weave directions depending on the tatami parts:
and in this video how those pieces react to light with a mesmerizing shimmer: