Asia BEIJING TO HAVE WORLD’S BIGGEST AIR PURIFIER TO FIGHT SMOG Oct 21, 2016 - 2:27 pm EDT @theindpanorama 0 BEIJING (TIP): China will deploy world’s largest outdoor air purifier designed by a Dutch engineer in its smog- hit capital Beijing, as the thick heavily-polluted haze returned to haunt the city, driving people indoors. The […]