![FinEst Link project, a railway tunnel to connect Helsinki and Tallinn. With a submarine length of 50 km, it would become the longest undersea tunnel in the world. By Helsinki-Uusimaa Regional Council ( FinEst Link project, a railway tunnel to connect Helsinki and Tallinn. With a submarine length of 50 km, it would become the longest undersea tunnel in the world. By Helsinki-Uusimaa Regional Council (](https://preview.redd.it/y4g5vnoc8ac81.png?auto=webp&s=7737a77b5e6677f2ff3225dcf5a12c00e28619cd)
FinEst Link project, a railway tunnel to connect Helsinki and Tallinn. With a submarine length of 50 km, it would become the longest undersea tunnel in the world. By Helsinki-Uusimaa Regional Council (
![A glass dome about 37m in diameter covers the octagonal central space linking four glazed barrel vaults in one of the world's most elegant shopping malls, the Galleria Vittorio Emanuele II, built A glass dome about 37m in diameter covers the octagonal central space linking four glazed barrel vaults in one of the world's most elegant shopping malls, the Galleria Vittorio Emanuele II, built](https://c8.alamy.com/comp/2FX0WD5/a-glass-dome-about-37m-in-diameter-covers-the-octagonal-central-space-linking-four-glazed-barrel-vaults-in-one-of-the-worlds-most-elegant-shopping-malls-the-galleria-vittorio-emanuele-ii-built-in-neoclassical-style-in-the-19th-century-to-link-the-piazzas-in-front-of-the-cathedral-or-duomo-and-the-la-scala-opera-house-in-milan-lombardy-italy-the-mall-houses-some-of-the-worlds-best-known-high-end-fashion-brands-as-well-as-book-and-art-dealers-and-some-of-milans-oldest-and-finest-restaurants-2FX0WD5.jpg)
A glass dome about 37m in diameter covers the octagonal central space linking four glazed barrel vaults in one of the world's most elegant shopping malls, the Galleria Vittorio Emanuele II, built
![Gulf of Finland - FinEst Link demonstrates feasibility of a tunnel between Helsinki and Tallinn - Transport - Topics - Actions - European Straits Initiative (english version) Gulf of Finland - FinEst Link demonstrates feasibility of a tunnel between Helsinki and Tallinn - Transport - Topics - Actions - European Straits Initiative (english version)](https://www.europeanstraits.eu/var/satellites/storage/images/mediatheque/esi/photos/finest-link-map/1136685-1-fre-FR/FinEst-Link-map_lightbox.jpg)
Gulf of Finland - FinEst Link demonstrates feasibility of a tunnel between Helsinki and Tallinn - Transport - Topics - Actions - European Straits Initiative (english version)
![FinEst Link unveils Helsinki-Tallinn railway tunnel that is set to open in 2040, FinEst Link unveils Helsinki-Tallinn railway tunnel that is set to open in 2040 | Shippax FinEst Link unveils Helsinki-Tallinn railway tunnel that is set to open in 2040, FinEst Link unveils Helsinki-Tallinn railway tunnel that is set to open in 2040 | Shippax](https://www.shippax.com/backnet/media_archive/cache/f8470ad47ca3828aff742da351a45430_1200x630.png)
FinEst Link unveils Helsinki-Tallinn railway tunnel that is set to open in 2040, FinEst Link unveils Helsinki-Tallinn railway tunnel that is set to open in 2040 | Shippax
![Amberg Group on Twitter: "Ultra-long #subseatunnel FinEst Link: Klaus Wachter, tunnel specialist at @AmbEngineering explains among other things the requirements for the vertical alignment of the #tunnel such as longitudinal #gradient and Amberg Group on Twitter: "Ultra-long #subseatunnel FinEst Link: Klaus Wachter, tunnel specialist at @AmbEngineering explains among other things the requirements for the vertical alignment of the #tunnel such as longitudinal #gradient and](https://pbs.twimg.com/media/Di4QVsRX4AIIqpx.jpg)
Amberg Group on Twitter: "Ultra-long #subseatunnel FinEst Link: Klaus Wachter, tunnel specialist at @AmbEngineering explains among other things the requirements for the vertical alignment of the #tunnel such as longitudinal #gradient and
![Amberg has been awarded the feasibility study “Technical Concept and Economic Assessment” of the FinEst Link Amberg has been awarded the feasibility study “Technical Concept and Economic Assessment” of the FinEst Link](https://amberggroup.com/fileadmin/user_upload/FinEst.jpg)
Amberg has been awarded the feasibility study “Technical Concept and Economic Assessment” of the FinEst Link
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