I wonder how much the arch alone cost, firstly to design and construct, then to repair because it got damaged during botched construction. If this feature had never been included, I'm sure the extra money could have been used to save the twin towers. Use them as a grand entrance hall, or a football museum. We have some of the world's foremost experts on building salvage, yet nothing could be done to save the one part of the old Wembley which truly was worth saving? There's a museum in Sussex, the Weald and Downland, which takes historically significant but crumbling buildings from across the south east of England, and reconstructs them brick by brick or stone by stone in the museum grounds. Wembley would have been just like this, only slightly larger.