The capitals of Finland and Estonia are so close, yet so far. Just 86 kilometres, or 55 miles, separate Helsinki and Tallinn—but it still takes more than two hours on a ferry through the easternmost arm of the Baltic Sea to travel that distance.
Linking the two high-tech coastal cities has been discussed, off and on, since 1871.
One night in 2016, while eating dinner with friends during a startup event in Tallinn, Peter Vesterbacka—who played a crucial role in the development and expansion of the Angry Birds mobile-game franchise for Rovio Entertainment—decided it was finally time to connect them.
Read more: https://motherboard.vice.com/en_us/article/ev59we/angry-birds-developer-is-building-a-tunnel-between-finland-and-estonia-finest