Extreme engineering

Extreme engineering widening the Panama Canal / [videograbación] : Widening the Panama Canal. Tunneling under the Alps. Extreme engineering . produced and directed by Jackie Mow ; written by Jackie Mow, Ed Fields, Alan Lindgren. Produced by Powderhouse Productions for Discovery Channel. - Widescreen and full screen version. - [Silver Spring, Md.] : Discovery Communications, Inc., c2006. - 1 videodisco (88 min.) : son., col. ; 4 3/4 plg.

Ensanchando el Canal de Panamá,haciendo un túnel debajo de las montañas.


Tunnels--Switzerland.
Tunneling--Switzerland.
Transportation--Planning.
Túneles.
Túneles--Ingeniería.


Panama Canal (Panama)

TC774 / E98 2006

Con tecnología Koha