A quarry by the side of Yunnan Route 214, as it descends from Potous Township  toward the valley of Red River (aka Yuanjiang), seen from the other leg of a switchback (across the Yangmahe River valley).
<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>