LuoyangChina |
Porto AlegreBrazil |
6 544 007
(2008) |
6 544 007
(2008)
1 467 823
(2013) |
1 467 823
(2013) |
15 208 km2
|
15 208 km2
496 km2
|
496 km2
|
430.30
/km2 |
430.30/km2
2 959.32/km2
|
2 959.32
/km2 |