Giant Blower Wheel
This is the giant blower wheel inside the Völklinger Hütte, a closed ironworks factory that has been deemed a UNESCO World Heritage Site.  &quot;The Völklinger Hütte was the first ironworks in the world to use furnace gas on a large scale to drive enormous blowers providing blast to the furnaces.&quot;-from UNESCO website.  
travel wheel germany nikon iron europe industrial factory steel interior air hütte unesco furnace hdr highdynamicrange worldheritage ironworks blower blastfurnace völklingen völklinger blowerwheel d700 1424mm travelhdr d7001424mm