two-stroke motorcycles and cars with broken mufflers and giant trucks – some so carefully painted up that every bolt-head, rivet and wheel-nut was picked out in different colours. Here on the city’s outskirts, the wide boulevard was lined with a chaos of broken walls, goats grazing on waste ground, adobe huts, rubbish tips, crudely painted shop-fronts in primary colours and corrugated-iron fences defaced with political slogans and ribaldry.