This week, architects designed innovative public toilets for Tokyo

This week on Dezeen, we featured three unusual restrooms designed for the Tokyo Toilet project, including Shigeru Ban's colourful, transparent design.
As well as Ban's restroom, whose transparent walls become opaque when the toilets are in use, designs include Wonderwall's concrete toilet that references primitive Japanese huts, and Fumihiko Maki's "squid toilet" which is located in a park known as the Octopus Park.
The project is being run by the not-for-profit Nippon Foundation and will see 17