Epic Floor Design, although I'm not sure what the idea is. if laid with clear or glass tiles to see the design would be different, but to put black tiles over doesn't make any sense. I wonder if you get a magnifying glass to view the floor.
Crochet “sculpture forest” created by Toshiko Horiuchi MacAdam at the Hakone Open-Air Museum in Japan. It includes several sculptures for children to play on. This photo shows “Woods of Net,” made in Make Space Newcastle