Cell tower on roof, mimicking a water tank. Even the two "front legs" are odd, not to mention the many antennas surely inside the "tank". Compare the real (steel, not plastic) tank behind it.  Also real tank shadows on building. Dongshi, Taichung, Taiwan
<a href="//commons.wikimedia.org/wiki/User:Jidanni" title="User:Jidanni">Jidanni</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>