Japan

The idea of using a public bathroom with see-through walls may sound like the stuff of nightmares. But a famous Japanese architect is hoping to change that view, using vibrant colors and new technology to make restrooms in Tokyo parks more inviting.

"There are two things we worry about when entering a public restroom, especially those located at a park," according to architect Shigeru Ban's firm. "The first is cleanliness, and the second is whether anyone is inside