The Pyongyang Metro in the capital of the Democratic People's Republic of Korea (North Korea) has a tunnel at 393 feet.
The Worlds deepest pool is Nemo33 in Europe. Nemo33.com.
taku
What is the deepest part of the worldโs oceans and how deep is it?
The worlds deepest snowfall in the world was 110.663 feet deep and was in Canada
The Marianas Trench in the Pacific is the deepest place on earth
Anna coe
23cm deep
The Mariana Trench,... in the Pacific ocean.
that would be the subway structure
The world's largest subway is the Tokyo Subway. It officially opened in 1927 and has approximately 3.2 billion people ride it annually.
The World's deepest bellybutton is approximately 10' 7" deep. People have gotten lost and died in there!
The worlds deepest road tunnel to date is the Eiksundtunnel in Sunnmøre, Norway 287 meters below sea level.