It was more of a rhetorical question, with the remaining literalness directed at the OP :) but yeah, those are fantastic examples! The Berlin Brandenburg [1] was what came to mind immediately, but you&#x27;re absolutely right that history is like to be littered with other dead developments.<p>[1]: <a href="http:&#x2F;&#x2F;www.bloomberg.com&#x2F;news&#x2F;features&#x2F;2015-07-23&#x2F;how-berlin-s-futuristic-airport-became-a-6-billion-embarrassment" rel="nofollow">http:&#x2F;&#x2F;www.bloomberg.com&#x2F;news&#x2F;features&#x2F;2015-07-23&#x2F;how-berlin...</a>