Tyre pressure station. Qatar
[To gain traction on dunes sand it's necessary to deflate a little the tyres; going back to firm ground and road it's necessary to return to normal pressure. The filling station does not provide fuel or any other service]
<a href="//commons.wikimedia.org/wiki/User:LBM1948" title="User:LBM1948">LBM1948</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>