Keywords: Chimney sofia.jpg Chimney of the Zemlyane CHP plant Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Teratornis using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper <br/> Original text I created this work entirely by myself 2008-09-25 SunnieBG talk Original uploader was SunnieBG at http //en wikipedia org en wikipedia Released into the public domain by the author en wikipedia SunnieBG original upload log page en wikipedia Chimney_sofia jpg 2008-09-25 11 47 SunnieBG 184×220× 35857 bytes <nowiki> Chimney of the Zemlyane CHP plant I created this work entirely by myself ~~~ </nowiki> History of industry Emergency management |