One of CA's many heavy metal flights on the CAN-PEK route.  The route supports various aircraft by Air China including 747s, 330s and this new-ish 777.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/130275500@N02">G B_NZ</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/16542552419/">CA 773 B-2006 at CAN</a>