Thread:Seol404/@comment-27258569-20190109223626/@comment-35000429-20190113204354

Has anyone of heard of the X-Seed 4000? It was the second tallest building ever proposed, it would be taller than mount Fuji and house up to 1,000,000 people. As you may have guessed, it was never built due to the impracticality of such a massive structure.