London has been defunct since 1983, and urban developers have been scratching their heads to come up with a way to preserve the largest brick structure in all of Europe. Some wily Irish developers have come up with a way to turn the empty building into what they're calling a "solar driven natural ventilation system" attached to shopping malls, 3,000 homes, and a boutique hotel. The 1,000-foot glass tower would use a funnel structure to force heat out of the complex using convection all the while providing a striking addition to the London skyline. All in all, developers say this would make the complex carbon neutral. If the plan goes through, the structure could be completed as soon as 2019.