Entrance of the <a href="https://en.wikipedia.org/wiki/Technical_University_of_Madrid#School_of_Industrial_Engineering" class="extiw" title="en:Technical University of Madrid"><b>School of Industrial Engineering</b></a> of the <a href="//commons.wikimedia.org/wiki/Category:Universidad_Polit%C3%A9cnica_de_Madrid" title="Category:Universidad Politécnica de Madrid"><b>Technical University</b></a> of <b><a href="//commons.wikimedia.org/wiki/Madrid" title="Madrid">Madrid</a></b> (<a href="//commons.wikimedia.org/wiki/Spain" class="mw-redirect" title="Spain">Spain</a>).
Luis García (<a href="//commons.wikimedia.org/wiki/User:Zaqarbal" title="User:Zaqarbal">Zaqarbal</a>)
CC BY-SA 3.0 es
<span class="int-own-work" lang="en">Own work</span>