Photo by @mr_riu RIU (@mr_riu) prefers to express himself in black and white. ?The way I work, I do not use any colored paper, any coloring or any glue. I think it?s about simplicity and cleanliness,? says the artist from Japan who creates complex patterns out of a single sheet of paper. Depending on the piece, it can take more than 30 hours before RIU completes production. But despite the tiring nature of his work, which requires a lot of concentration, according to RIU, it is precisely this concentrated feeling of fatigue that leads to the feeling of accomplishment that follows. ?I hope that I can help people find strength in their lives,? he says. Watch today?s story to see more of his intricate paper art.