Duration 11:28
I-Witness: Inside Quezon province's black oil industry
Published 24 Jul 2013
A few enterprising residents have made a living from nearby factories' waste. (From Kara David's documentary, "Langis sa Tubig") GMA News Online: http://www.gmanews.tv Facebook: http://www.facebook.com/gmanews Twitter: http://www.twitter.com/gmanews
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