Used By:Sheila Samples Submitted By:Sheila Samples Added On: 10/19/2017 at 8:00 PM EDT Image Caption: Intense Industrial Concentration Causes Visible Pollution Owner Name / Source: The U.S. National Archives URL of Owners Page:https://www.flickr.com/people/35740357@N03/ Image Source: FlickrPhotos License:No known copyright restrictions Notes: From FlickrPhotos CommonsSearch 'Environmental pollution' Search