Zhaishan Tunnel
The 524th longest tunnel in the world
The Zhaishan Tunnel (pinyin: Zháishān Kēngdào, Pe̍h-ōe-jī: Chú-soaⁿ Khiⁿ-tō) is a tunnel in Jincheng Township, Kinmen County, Taiwan. The tunnel was built to house boats and can accommodate forty-two vessels.
Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).