Now it's clear: the "Year of the Pig" bus is running 63R, a special route from Tai Po Market Station to Lam Tsuen Wishing Tree. Photo taken from the "famous" Tai Po Mega Mall pedestrian bridge.
<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>