A Spraque metro and "newer" metro crossing each other in La Chapelle (line 2)
<a href="//commons.wikimedia.org/wiki/User:Smiley.toerist" title="User:Smiley.toerist">Smiley.toerist</a>
CC BY-SA 3.0
<span class="int-own-work">Self-photographed</span>