"In the Philippine capital Manila, which is one of the most polluted cities in the world, a paint which it is claimed can purify the air is being used.
A local company has come up with the paint and in partnership with the government it is trying to use it to clean up one of the city's most smog-choked roads."
Kate McGeown reports from Manila. Short video...amazing if it works.....
http://www.bbc.co.uk/news/world-asia-17751777
