Lanzhou and Barcelona
Comparison by area and population

China

Lanzhou

China

Spain

Barcelona

Spain

Population

3 310 000
(2007)

3 310 000
(2007)

1 615 448
(2011)

1 615 448
(2011)

Area

13 100 km²

13 100 km²

100 km²

100 km²

Population density

252.67
/km²

252.67/km²

16 154.50/km²

16 154.50
/km²

Map

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Lanzhou and other cities

Barcelona and other cities