

Hong Kong. Underground construction for MTR station, on top-down method. Mass transit railway..
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Size: 4865x4934 / 10.0MB>
Keywords:
BOW1728, construction, civil engineering, engineering, underground, hard rock, excavation, drilling, blasting, station, railway, metro station, top down, Hong Kong, Xianggang, China, columns, floors, reinforcement, drill rigs, square, workers, construction workers, working, MTR, MTR station, mass transit railway