中国、1.5兆円かけて大陸～香港を結ぶ55キロの橋を完成　使用した鉄42万トン工期10年。一方日本はw

World’s longest sea-crossing bridge which stretches 34 MILES and cost £14billion to build will open this week in China
https://www.dailymail.co.uk/news/article-6302317/Hong-Kong-Zhuhai-Macau-Bridge-Worlds-longest-sea-crossing-open-week-China.html

https://travel.watch.impress.co.jp/docs/news/1149045.html