Songjiang Quarry Mine China

2019-4-23for more than a decade, china has been a front-runner in the worlds skyscraper raceow the country is taking the pole position in digging groundscrapers -- enormous structures built mostly undergroundost recently, ground has been broken on construction of a high-end hotel at the foot of shanghais tianmashan , a k a tianma mountain in a 100-meter-deep pit.

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