It would have been a suitable assignment for Tintin, the intrepid Belgian boy reporter and his multitalented, intuitive dog Snowy.
Across Brussels, where Hergé, the creator of the eponymous comic books, was born, there are constant reminders of one of its most famous exports. A giant image of the character clinging to the back of a steam train from the book Tintin in America adorns one of the exits from the city’s Eurostar station, while a mural of Tintin, his seafaring friend Captain Haddock and Snowy covers the gable end of a house just over a mile away, surviving graffiti and vandalism.