really how old are modern grey cities?

[swiss]

Originally Posted by raaaid

yeah but doesnt really answered the question

polars bears are white

forest creatures brown

and city pigeons grey?

come on the only advnatage of grey camoflage its if you live in a city

WTF?
Did you actually read the link?

City Pigeons are Rock Pigeons.
I think it's safe to assume Rock pigeons were already blue/greey back in 1780 - and possibly even before...