China's Tian Kun Hao is capable of digging 6,000 m3 an hour, the equivalent of three standard swimming pools https://t.co/bzPV0ucB4m— AFP News Agency (@AFP) November 4, 2017
China's Tian Kun Hao is capable of digging 6,000 m3 an hour, the equivalent of three standard swimming pools https://t.co/bzPV0ucB4m