<a href="//commons.wikimedia.org/wiki/Suvarnabhumi_International_Airport" title="Suvarnabhumi International Airport">Suvarnabhumi International Airport</a> (Thailand), concourse building - dots sticked on glass windows to protect interiors from heat and light. All of glass components of the terminal and concourse buildings are equipped with the dots.
<a href="//commons.wikimedia.org/wiki/User:Mattes" title="User:Mattes">User:Mattes</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>