. >> reporter: testimony to the strength, wenho fought for equals and continue ttoy. >> when you're askinge of women, who gets to vote, and those in power, what they do sometimes to keep people from voting, all >>> there's a project in japan that aims too make public restrooms into works of art and the most popular one by far is a toilet with glass walls t youn lucy cft spoke te degner. >> reporter: tokyo's hottest new destination isn't a swanky restaurant, nightclub or museum. set in local parks, the jewel like tubes are tinted pink, tangerine and purple and shades of blue-green. they're public bathrooms with a feature not standard in most toilet stalls, see-through walls. these are no ordinary plate glass windows but so-called smart glass used for prycy in hoefls and offices. when the door is unknocked, an electric current blocks the windows. when it's unblocked, the windows return to their frosted state. it was dreamed up by this a tekt. visibility he said is one pick for toilets which have a reputation for felt and criminal activity. >> you need privacy inside. but when you outside, yo