Close up of dirty waves on the river, which is covered in algae. You are also like:
Videos can be used in ecology water, pollution, polluted, waste, environment, sewage, pond, dirty, river, nature, surface, green, color, background, lake, plant, tree, industrial, danger, environmental, foam, toxic, floating, canal, garbage, hazard, substance, urban, sludge, park, debris, treatment, effluent, plastic, romania, mine, waterway, montana, rosia, mountain, red, site, contamination, sky, old, natural, trash, rubbish, contaminate, brown