Interesting - The rolling bridge

by | Sep 23, 2008 12:03 AM ET

Makes you rethink the idea of a "draw bridge". Nice photographs here:

Incredible rolling bridge in London

It is slow, but this video shows you the bridge in action:

The military has used something akin to this idea for a long time. Although the unrolling mechanism is very different, this video shows the same basic idea:

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