LifeStyle

3Novices:Shanghai Metro: keeping world’s longest mass-transit rail system on track

Some respite from the intense summer heat can be found 18 metres below the scorching streets of Shanghai, but humidity remains energy sapping in the dark tunnels that are growing beneath Pudong. And yet, Yang Jun’s men keep drilling, and the huge tunnel-boring machine they operate advances 9.6 metres per day.
“We use concrete blocks to cover the walls of the tunnels as the ‘mole’ moves forward,” shouts Yang, trying to make himself heard above the din. “Each…
August 12, 2017 at 06:15AM http://ift.tt/2uyrO2z
#3Novices #News #OnlineMedia #China #LifeStyle 3Novices China

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