Jet engine
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/59043488@N00">fw190a8</a> from Cheltenham, United Kingdom
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/fw190a8/3276170659/">Jet engine</a>