The first Saturday in August, when Europe's July holidaymakers head homewards and its August sunseekers head south, is the busiest day of the year at the continent's busiest filling station. On Saturday, two 40,000 litre tanker trucks were on course to make between 16 and 20 round trips a day keeping Berchem's petrol and diesel pumps working as the vast forecourt filled with camper vans.
