"What I would give for one cold one!" can be heard very often during the summer months. The problem arises when we are then in some fashionable seaside town or some world capital, where prices do not know the upper limit. At that time, we cough up "one cold" for an hour, if necessary. The English exchange Travelex, which took 0.5 liters as a unit, published a list of countries where they offer the cheapest beer, and Europeans, look forward to it!