The zig-zag entrance ramp up from the Avenida del Arco de la Victoria (Avenue of the Victory Arch). View across to the Parque del Oeste (West Park). Madrid, Spain.
<a href="//commons.wikimedia.org/wiki/User:Simon_Burchell" title="User:Simon Burchell">Simon Burchell</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>