Hi, Crisis!
How are you? :)
I notice the tendency that advertisements on the walls of the subway are getting smaller.
Unfortunately, I don’t know what kind of pricing policy there is for selling advertising in the subway, in order to somehow attract customers and earn some money,
Well, here is one vivid example:
These posters are so fun
November-December 2008 and almost the whole of
January 2009 , that fact is interesting, the only poster that has already expired (Promotion for the Autumn period):

')
Here are the last days of
January 2009 , this poster was removed altogether, and nobody has been buying those 3 sites for 3 months:
Myrivne