[bogomipz]

Indeed. Or they could simply use all of those LED displays that they installed above the subway entrances to show real time information about service changes and train arrivals instead of using them to show advertising.[1][2]

[1] https://www.mediabakery.com/AFS3899660

[2] https://freetoursbyfoot.com/wp-content/uploads/2015/09/Red-a...