Massive Engineering Mistakes

Episode 10 (2x10)

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In Connecticut part of a very busy commuter corridor in to New York City collapses. Montreal's Olympic stadium experiences a series of engineering fails over decades in attempting to complete an experimental roof. A raised highway in Liverpool when inspected is found to be far less robust than planned. In the Netherlands a dyke fails swamping a town but not due excess rainfall, surprisingly it was due to a drought.