未来の構想と準備 Insane Megaprojects that were Never Built

12:48　アメリカで最も高い失敗した超高層ビルから、これまでに提案された最も非常識な空港メガプロジェクト、そして世界最大のドームから高さ数マイルのイリノイ超高層ビルまで、建設されなかった最も非常識なメガプロジェクトがここにあります。

MegaBuildsさん、ありがとうございます。

2022/05/15 #Megaproject #Building #Construction

From the Tallest Failed Skyscraper in America to the most Insane Airport Megaproject ever proposed, and from the World's Largest Dome to the Mile-High Illinois Skyscraper, here are the Most Insane Megaprojects that were Never Built! For more Megaproject & Skyscraper content be sure to subscribe to Top Luxury. Thanks for watching our video about the most Insane Megaprojects that were Never Built

0:00 Insane Megaprojects that were Never Built
0:32 Number 6: The Dream Airport above New York
3:27 Number 5: The Most Iconic Hotel in the World
5:49 Number 4: The Mile-High Illinois Skyscraper
7:10 Number 3: America’s Tallest Failed Skyscraper
9:23 Number 2: The World's Largest Dome
11:14 Number 1: The Sphere Pyramid