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Continue to ChatTunneling ground loss sinkhole opens in Beijing street, swallows truck https://geoprac.net/2011/06/tunneling-ground-loss-sinkhole-opens-in-beijing-street-swallows-truck/
Tunneling ground loss sinkhole opens in Beijing street, swallows truck https://geoprac.net/2011/06/tunneling-ground-loss-sinkhole-opens-in-beijing-street-swallows-truck/