The Great Hall of the People in Beijing, PRC.  A party congress was in session at the time this photo was taken, thus vehicular traffic was diverted from passing in front of the hall.
<a href="//commons.wikimedia.org/wiki/User:BrokenSphere" title="User:BrokenSphere">BrokenSphere</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>