Modern Marvels Tunnels

This program is part of a series that celebrates some of the technological achievements of modern times. In this episode, the viewer goes underground to explore one of man’s most ambitious undertakings: the engineering and construction of tunnels. Archival film clips, photographs, and interviews with those who worked on tunnel projects makes clear the dangerous nature of the structures, on which commerce has come to depend., Various ways of digging underground channels are examined in “Tunnels,” which also includes a look at the architecture of New York’s Lincoln and Holland tunnels.