Recently visited NYC, there were 1-2cm sized round dirts everywhere on pavements. What are they? Gum, but why?

Question

Recently visited NYC, there were 1-2cm sized round dirts everywhere on pavements. What are they? Gum, but why?

Answer 1

Because people spit their gum out on the sidewalk and sweeping machines won't remove it. Over time it collects dirt and looks black.



Disgusting, isn't it?

Answer 2

It's everywhere. Every street, every sidewalk you go to, there will always be gum.

Answer 3

people + a million more people = filth