HKU 香港大學 PFL campus 博扶林校園 the 邵仁枚樓 Runme Shaw Building April 2019
Help alarm from female toilet
<a href="//commons.wikimedia.org/wiki/User:KwunKwun_Kwan" title="User:KwunKwun Kwan">KwunKwun Kwan</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>