Before revision: Likely applications include fjords, deep, narrow sea channels, and deep lakes.ITA: A New Development: The Submerged Floating Tunnel Proposals , a submerged floating tunnel has never been built, but several proposals have been proposed by different entities.
After revision: Likely applications include fjords, deep, narrow sea channels, and deep lakes.ITA: A New Development: The Submerged Floating Tunnel Proposals , a submerged floating tunnel has never been built, but several proposals have been presented by different entities.