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ColumbusUnited States |
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TianjinChina |
822 553
(2013) |
822 553
(2013)
14 425 000
(2009) |
14 425 000
(2009) |
550 km2
|
550 km2
11 943 km2
|
11 943 km2
|
1 495.55
/km2 |
1 495.55/km2
1 207.82/km2
|
1 207.82
/km2 |