A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods.

Crawl (2019) Review
After ‘while, crocodile. Crawl (2019): 7 out of 10: Crawl is a competently lensed and acted creature feature about a father and daughter trapped in […]