A small building - a public toilet probably - on the HUST campus. The text on the sign, above the arrow, says something like, "The toilet for the parents of the exam-takers is that way".
<a href="//commons.wikimedia.org/wiki/User:Vmenkov" title="User:Vmenkov">User:Vmenkov</a>
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<span class="int-own-work" lang="en">Own work</span>