A paper mill in <a href="https://en.wikipedia.org/wiki/Saint_John,_New_Brunswick" class="extiw" title="en:Saint John, New Brunswick">Saint John</a>.  This photograph has been taken with the aid of a <a href="https://en.wikipedia.org/wiki/Photographic_filter" class="extiw" title="en:Photographic filter">photographic filter</a> to artificially produce the "amber sky" effect.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/52798669@N00">Sean McGrath</a> from Quispamsis, NB, Canada
CC BY 2.0
<a rel="nofollow" class="external autonumber" href="https://www.flickr.com/photos/52798669@N00/3194429061/">[1]</a>