WHAT ARE THE CHARACTERISTICS OF MODERN TUNNEL CONSTRUCTION?
- PhilomelLv 72 months ago
Hole in/ Hole out. Hole lotta work.
- JosephLv 72 months ago
Really. You want us to take information that would fill dozens of books and distill it into less than 10,000 alphanumeric characters?
- charlatanLv 72 months ago
at least one entry and one exit
- ?Lv 72 months ago
A big hole under the ground that goes from one place to another