big city northwest locate on Silk Road , ,,,,,,,,,
"a tradional , friendly , disimpassioned city"
Lanzhou is the capital of Gansu province northwest of China , ancient Silk Road is through it and made it a important barter market .
a islamic district there with vast area.
you can also see Tibet style here.
most of citizens there is immigrant from other province .
this is the only city Yellow River goes cross in the urban area in China.