American Society for Microbiology "ASM Microbe 2016" trade show at the <a href="https://en.wikipedia.org/wiki/Boston_Convention_and_Exhibition_Center" class="extiw" title="w:Boston Convention and Exhibition Center">w:Boston Convention and Exhibition Center</a>. View from down escalator.
<a href="//commons.wikimedia.org/wiki/User:ArnoldReinhold" title="User:ArnoldReinhold">ArnoldReinhold</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>