All is quiet in the single-storey huts that serve as duty-free stores on the Bulgarian-Serbian border. The shop salesmen look bored standing in front of shelves of alcohol and cigarettes.
Suddenly, a Bulgarian coach pulls up and its passengers stream in to buy some of Europe’s cheapest tobacco and spirits: cartons of Marlboro cigarettes at €9.50 ($18.80), Johnnie Walker whisky for €8.
