Did you know? Mass of a large watermelon (10 kg) is 2.5 x Mass of a regulation womens' shot (in the shot put athletics event) (4 kg)
Speed of China's Shijiazhuang?Wuhan high-speed train (350 km/h)
/fact/speed-of-chinas-shijiazhuangwuhan-high-speed-train
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If this was a standard unit ...