未来の構想と準備　Most Expensive Construction Projects Ever Buil　

これらは世界で史上最も高額な建設プロジェクトです。 このビデオでは、世界で最も高額なメガプロジェクトについて説明します。

MegaBuildsさん、ありがとうございます。

2021/07/25 #Megaprojects #Construction #Engineering

These are the World's Most Expensive Construction Projects in History. In this video, we go over the most expensive megaprojects in the world! For more construction & megaproject content be sure to subscribe to Top Luxury. Thanks for watching this video: Most Expensive Construction Projects Ever Built

0:00 Most Expensive Construction Projects
0:24 New Suez Canal
2:05 Channel Tunnel
3:37 Big Dig
5:56 Kansai International Airport
7:51 Beijing-Shanghai Railway