The smog-eating TOWER: 'World's largest air purifier' building will suck pollutants from the skies to lock them inside jewelry
- Dutch designers are raising money to make the Smog Free Tower
- Globe-trotting tall structure would be the 'world's largest air purifier'
- It will filter air and remove smog particles to create 'bubbles' of clean air
- Smog collected will be made into cubes used in distinctive jewellery