:( why the negativity!? It's just clearer... Quote from the article: The apparent cleanliness of the water is not in fact due to a lack of pollution, said David

:( why the negativity!? It's just clearer... Quote from the article: The apparent cleanliness of the water is not in fact due to a lack of pollution, said Davide Tagliapetra, an environmental researcher at the Institute of Marine Science. He told a local TV station that the reason is the absence of motorised transport, which normally churns up the muddy canal floor.