These are old Coca Cola posters in the 19 centuries. At that time, Coca Cola is still using Cocaine (Coke), a form of drugs, this is also how they are call “Coke” in short, in their drinks and is served to labours. A lot of people love the Coca Cola then as it keeps them full of energy.
Of course, the Coca Cola now do not contains any more Cocaine. But is still being well loved but lots of people.