Educational film about tunnels.
MS/CU kids playing in a sandbox, they make tunnels. LSs construction site at mouth of tunnel. Various underground shots of men digging tunnels. TLS pan down rock mountain to mouth of tunnel with a road going it. Scenic LS tunnel and road going through mountain, a river flows in the foreground. TLS tunnel through rock mountain, rain falls. LS large rock formation seen through mouth of tunnel.
DO NOT SELL: Intro credits.
TLS people on bicycles approaching a tunnel that is dripping with spring water. LS tunnel through rock mountain. POV driving through lit underground tunnel. TLS Amtrak passenger train entering the 'Moffat Tunnel' in Denver, Colorado. TLS Amtrak passenger train exiting the Moffat Tunnel.
DO NOT SELL: Illustrations and archival stills of early mining tunnels.
TLS mouth to an abandoned coal mine. LS mining building nestled below red rock mountain covered with evergreen trees. MS squirrel emerging from its home tunneled into a dirt mound. MS/CU ants moving in and out of their underground tunnel. MS squirrel going back into its home. MS interior of Egyptian tunnel with hieroglyphs.
DO NOT SELL: Illustrations of Egyptian tunnels and archival stills of early mining.
Several MS/LS surveyors at work using surveying equipment both outside and inside the tunnel. TLS antique steam passenger train entering a tunnel. LS both railroad and road tunnels going through mountain. LS mountain peak. Low angle LS of antique steam passenger train moving across bridge stretched over river. LS freight train exiting mountain tunnel.
DO NOT SELL: Archival stills of tunnel construction.
GV 'Alpine Tunnel' station house in the Colorado Rockies. LS pan of snow dusted Colorado Rocky Mountains. LSs old Alpine Tunnel location sited with a historical marker. TLS Amtrak train entering the 'Moffat Tunnel'. LS freight train moving through short mountain tunnel. LS railroad and automobile tunnels through the same rock mountain, a pick-up truck passes through. TLS vehicles moving through rock tunnel. LS inbound and outbound vehicular traffic passing through the Waldo Tunnel in San Francisco, tunnel entrance is painted like a rainbow. TLS vehicular traffic moving through tunnel surrounded by deciduous trees. LS red truck entering a mountain tunnel. High angle LS of inbound and outbound vehicular traffic moving through tunnel. LS vehicular traffic moving through tunnel with snow capped mountains in the background. POV driving though well lit tunnel. Aerials of Chesapeake Bay bridge & tunnel system. TLS BART train (Bay Area Rapid Transit) running along track. TLS BART train moving through station underground tunnel. POV driving through east coast underwater tunnel. LS hazy Hudson River. LS vehicular traffic entering the Lincoln Tunnel. POV driving through an underwater tunnel. Several TLS/MS of machine with huge drill boring holes into the earth. MS/CU smaller drill taking samples from the earth. LS river with road winding next to it, there is a tunnel through mountain rock. LSs heavy machinery at construction site near tunnel entrance. MS dump truck driving through tunnel construction site. LS bulldozer working at tunnel entrance. MS worker inside tunnel poking rock ceiling with a stick, part of the ceiling falls. MS man using surveying equipment. MS man operating tunneling equipment. TLS dark tunnel, pan to low angle LS looking up shaft to surface. TLS men and equipment lifting pulverized rock material out of tunnel shaft and dumping it into truck bed.
DO NOT SELL: Illustration of a tunnel shaft.
LS tunnel entrance, zoom to tunnel interior. Several MSs machine excavating, digging away at rock material. Several shots of conveyors and railcars removing 'mud' or excavated rock material out of the tunnel.
DO NOT SELL: Illustration of a wood-lined tunnel.
MS/TLS concrete and steel grating being used for tunnel wall support. POV moving through narrow tunnel. MSs excavating machine removing rock. TLS railcar moving excavated rock material. TLS men lining the tunnel with wood panels. MS/CU machine drilling into rock. MS man in orange jumpsuit placing explosives into holes in the rock. MS man lighting the explosive. Slow motion shots of the blast. MS machine breaking rock and pushing onto a conveyor. MS/TLS man in orange jumpsuit operating the conveyor. CU hand digging in sand. MS machine excavating sandy rock material. Several shots of steel and concrete linings being put in place to avoid collapse. TLS cement truck outside tunnel entrance, pan to workers using hose to spray cement mixture on the outside of the tunnel. Several shots of men spraying the mixture. MS/CU young boy placing a tin can in the sand. MS/TLS tunnel shield in place. LS two automobile tunnels through mountain rock, one has been closed, vehicular traffic moves through the other. TLS closed tunnel.
DO NOT SELL: Illustrations and archival stills of early tunneling.
LS/TLS entrance to tunnel construction site, a large ventilation tube works with exhaust fans to remove dust and toxins out of the tunnel. MS man operating the exhaust tube. LS train exiting tunnel. TLS tunnel entrance shrouded by locomotive exhaust. TLS/LS large fans on top of tunnel. TLS rock tunnel with overhead lights. POV driving through lit tunnel. POVs driving through lit underwater tunnel. TLS steam engine train exiting tunnel. LS Moffat Tunnel railroad entrance next to Moffat Water Tunnel. TLS Moffat Water Tunnel. TLS/LS water flowing out of tunnel into reservoir. TLS/MS sewage and rainwater tunnels. TLS bicyclers entering tunnel. TLS man jogging through tunnel. MS excavation machine at work. LS car exiting mountain tunnel. POV entering tunnel in Mobile, Alabama.
DO NOT SELL: End credits.