Liquid gold being poured into a cast to make a bullion bar at a Gold Reef City demonstration. Even the crucible glows under the immense heat.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/45188029@N07">Dan Brown</a> from London, UK
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/thepuzzler/5439493601/">Pouring Liquid Gold</a>