bridges and tunnels

Sea, sea! Here, weir, reach, island, bridge.


Floating bridges do not work in all cases because they are susceptible to harsh weather conditions such as strong waves and currents. This is where the floating tunnels come in. […]

The term “floating” is perhaps misleading. The tunnels are fixed in position with cables — either anchored to the seabed or tethered to pontoons which are spaced far enough apart to allow boats to pass through. Made of concrete, they would function like conventional tunnels. […]

The biggest risks in the project are explosions, fire and overloading. […] Results so far indicate that the constant water pressure that surrounds the floating tunnels reduces the damage caused by explosions. […]

the NPRA team is also investigating how the tunnels would fare if submarines crashed into them.

{ CNN | Continue reading }

still { Akira Kurosawa, Rashomon, 1950 }

Rattle big black bones in the danger zone


{ The US authorities have discovered 20 tonnes of marijuana, worth tens of millions of dollars, in one of the most advanced illegal tunnels ever found. The passage is half a mile long and runs from inside a house in Mexico straight under the border with the United States and into a warehouse in San Diego. | BBC | video }

Slightly shopsoiled but you would never notice, seven fingers two and a penny


{ May 2, 1975: Los Angeles Mayor Tom Bradley, left, and Los Angeles County Supervisor Baxter Ward hold a news conference in an old Pacific Electric tunnel to propose an 80-mile light-rail system that would use the former tunnel for part of its downtown connection. The project was never built. | LA Times | Continue reading }

Bass! How low can you go?


{ Highway to Russia, 1959 | Paleofuture }