This is the Spain architects BCQ was doing the one thing they intend to transform a local overpass, one can "eat" air pollution from cement to replace gray--I went to the surface, sounds so good, Ah, what high-end technology? It is said that this playing God artifact called the "photocatalytic cement" (Photocatalytic Concrete, what principle is unknown, could have knowledgeable replies to talk), is a self-cleaning materials, nitrogen compounds in the air can be absorbed and converted into harmless substances, finished the rain washed clean yo ~ Marcelo Burlon iPhone 5
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Well, so the next thing is simple, we spent most of the cement, we produce the most severe air pollution--that if we replaced all the cement that can "eat" air pollution in cement?
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