It marks the Formal center of Madrid. Try to find the “km 0” plaque on the ground, which happens to be where all distances in Spain are calculated from. Nevertheless Joe has eliminated the obstructions that stood in the best way of his happily ever soon after with Beck, https://madridexhibitionsifemamad37157.liberty-blog.com/35901378/a-review-of-organising-an-event-at-ifema-madrid