The 60 Hz blinking of non-incandescent city lights of <a href="https://en.wikipedia.org/wiki/Prince_George,_British_Columbia" class="extiw" title="en:Prince George, British Columbia">Prince George, British Columbia</a> (Canada), motion-blurred by waving the camera during the exposure. The <a href="https://en.wikipedia.org/wiki/AC_power" class="extiw" title="en:AC power">AC nature</a> of the mains power is revealed by the dashed appearance of the traces of moving lights.
<a href="//commons.wikimedia.org/wiki/User:RadRafe~commonswiki" title="User:RadRafe~commonswiki">RadRafe</a>
2005-06-03
<span class="int-own-work" lang="en">Own work</span>