As part of the upcoming Aqua Metropolis festival in Osaka, engineering firm NTT Facilities has developed a pair of solar-powered, UFO-shaped floating water purifiers that will be deployed in the city’s canals and in the moat at Osaka Castle.
Pink Tentacle: ‘Solar UFO’ water cleaners afloat in Osaka canals
Tags: Alternative Energy, Japan, Link, ufos, water
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