From Dinamo Zagreb’s borderline insane floating spaceship stadium to Chelsea’s slap in the face of post-industrial London, here’s 5 of the most ambitious concept stadiums that sadly never made it to reality.
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Here's 5 European concept stadiums that never were! Think Portsmouth were dreaming with that one ...https://t.co/0gTuyVxvGS— Copa90 (@Copa90) May 13, 2016