Kerch Tunnel or Bridge
Suggested paper
The eternal struggle between bridge engineers and tunnel engineers. Here you can find an interesting paper, which traces the solutions and the diatribes of the last 70 years. What remains is definitely a sense of challenge for a project that could be really exciting.
Kerch Tunnel to guarantee security for Crimea
via Kerch Tunnel to guarantee security for Crimea.
Tunnels & Underground 