Some Detroit skyscrapers sat abandoned for 50-60 years with no heat or electricity. Sure some were falling apart and became a hazard with chunks of brick or co

Some Detroit skyscrapers sat abandoned for 50-60 years with no heat or electricity. Sure some were falling apart and became a hazard with chunks of brick or concrete hitting the unwary pedestrian but the majority held up fairly well. When the billionaire Dan Gilbert bought them to rehabilitate he few major structural problems. So I think if major cities are abandoned their skyline may look somewhat familiar centuries from now.