Daan Roosegaarde says "In the Netherlands we live 9 months shorter because of smog." As a solution Roosegaarde and his team of experts have used patented ion technology to build the world's largest smog vacuum cleaner. The Smog Free Tower in Rotterdam (pictured above) produces smog-free bubbles of public space, allowing people to breathe and experience clean air for free. The 7 meter high Smog Free Tower runs on green energy and is as beautiful as many modern public sculpt