Some advertisements are being banned from subways across the globe, because they have been deemed "too stimulating" or "obscene"

Too Obscene for New York Subways:

Too Stimulating for Tokyo Subways:

Proving, once again, that the desire to keep freak fetish dudes from getting hard on crowded trains is totally universal.

The MTA. Very anal. [Copyranter]
Pregnant Spears ad too "stimulating" for Tokyo metro [AP]