California Governor Jerry Brown announced this summer that the state will move forward with plans for two multi-billion dollar water supply tunnels. Twin 56-km long (35 miles) tunnels will be constructed to convey water from the Sacramento River south to an existing aqueduct that serves the San Joaquin Valley and Southern California. [Source: World Tunnelling. Image: Rich Pedroncelli via KTVU.com]
City officials and residents in Amsterdam, Netherlands are looking at the recent Cologne tunnel collapse and wondering if the construction of their fourth metro line could have similar problems. Although the tunnels themselves have not […]
Members of an Italian herritage association claim that tunneling 50 meters below the streets of Rome would put the Roman Colosseum at risk of collapsing. Here is an excerpt from the article I found: "The […]
[Updated May 26, 2011] A new, cleaner, longer version of the video has surfaced on YouTube recently. You can see it embedded below. It includes some footage of attempts to "water bomb" the rock loose […]
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