BUILDERS OF THE MING TOMBS RESERVOIRThe Ming Tombs Reservoir near Peking has a dam 627 metres long and 29 metres high. With the tools to hand it was a job that might be expected to take several years...
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BUILDERS OF THE MING TOMBS RESERVOIRThe Ming Tombs Reservoir near Peking has a dam 627 metres long and 29 metres high. With the tools to hand it was a job that might be expected to take several years...