An aerial photo of a section of Mackenzie Mountains, just north of the Backbone Peak. (The location and the coordinates tentatively  identified against the Google Maps terrain view).  Looking north. Picture taken from an AA plane on a non-stop ORD-PVG flight.
<a href="//commons.wikimedia.org/wiki/User:Vmenkov" title="User:Vmenkov">User:Vmenkov</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>