A dirt road on Jin Mountain, north of Gaobei Village. The mud is, probably, the kind of clay from which tulou are built!
<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>