The <a href="https://en.wikipedia.org/wiki/Falk_School" class="extiw" title="en:Falk School">Falk Laboratory School</a> at the <a href="https://en.wikipedia.org/wiki/University_of_Pittsburgh" class="extiw" title="en:University of Pittsburgh">University of Pittsburgh</a>.
photo by Michael G White
Michael G White; original uploader was <a href="https://en.wikipedia.org/wiki/User:Crazypaco" class="extiw" title="en:User:Crazypaco">Crazypaco</a> at <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>
CC BY 2.5
Transferred from <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>; Transfer was stated to be made by <a href="//commons.wikimedia.org/wiki/User:Crazypaco" title="User:Crazypaco">User:Crazypaco</a>.