Main Articles Just a moment... www.extremetech.com https://www.extremetech.com/extreme/214637-enormous-air-purifier-creates-bubbles-of-clean-air-in-polluted-cities This skyscraper-sized air purifier is the world’s tallest The tower is about as tall as a 20-story building. NBC News https://www.nbcnews.com/mach/science/skyscraper-sized-air-purifier-world-s-tallest-ncna858436 This Tower Purifies a Million Cubic Feet of Air an Hour There’s a massive vacuum cleaner in the middle of a Rotterdam park and it’s sucking all the smog out of the air. WIRED https://www.wired.com/2015/09/tower-purifies-million-cubic-feet-air-hour/
