-It is a tube like #structure made of #steel & #concrete that floats in water.
-It utilizes the law of #buoyancy to support the structure at moderate & convenient depth.
-The tube is placed #underwater , #deep enough to avoid water traffic and weather.
-It is supported by cables either #anchored to the Earth or by #pontoons floating of the surface,respectively.
-The project is prepared for project making competition & the idea comes from the tunnel which has to be built in #norway.
#submerged #floating #tunnel
![](https://s2.save4k.ru/pic/piyydaDv8LU/maxresdefault.jpg)