One of the "three treasures of restricted areas" - but now 78K is the only one which actually enters the Frontier Closed Area without serving the port itself. If one really wants to reach Sha Tau Kok Control Point, he'll have to take the hourly coach.
<a href="//commons.wikimedia.org/wiki/User:N509FZ" title="User:N509FZ">N509FZ</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>