The Tokyo Toilet - Public toilets in seventeen locations in Shibuya will be given unique redesigns by renowned designers and architects

Make sure to scroll down to the "Toilet List", there's a separate page with more photos and details about each of the five that have already opened.

The two by Shigeru Ban that switch between transparent and opaque are especially interesting to me. I think I'd be worried about those in most countries, but Japan seems to take really good care of its public facilities.