Have you ever read how they built the Paris Metro ? Parts of it around and under the Seine involved some fairly fancy engineering - like building skeletal stations complete above ground, and letting them sink into the soggy soil; and freezing the soggy soil in order to cut through it
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Charming !
Have you ever read how they built the Paris Metro ? Parts of it around and under the Seine involved some fairly fancy engineering - like building skeletal stations complete above ground, and letting them sink into the soggy soil; and freezing the soggy soil in order to cut through it
Thanks, Nick. Wish my dad was still alive (career Sapper) - he'd be fascinated by this.
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