Stairs or a ladder up to the catwalks is usually located somewhere backstage. Some locations were completely revamped (the stairs in the mountain were replaced with catwalks). Spotlights are sometimes located overhead on catwalks. After the towers were completed, two temporary catwalks were built between the two suspension towers. It carried two rail lines and pedestrian catwalks on either side across the Rhine. Rudolf created rusted catwalks that traversed a large open space. Prada, Versace and Armani have agreed to ban size zero models from their catwalks. Construction of the main cables began by erecting their wide catwalks in July. Inside, there were slides, moving floors, spinning discs, rolling barrels, and catwalks. The stage has three curtains and four catwalks. Catwalks, used mostly for maintenance, run across the east and west windows. Rather than using the catwalks for his entrance he decided to walk through the crowd. He described his intention as ending the "white-out that dominates the catwalks and magazines". Jack confronts Miguel in the catwalks above the concert goers and defeats him. The two temporary catwalks allowed workers to spin the wires for the main cables on-site.