Amid a symphony of tinkling bells, some 300 black, brown and dappled goats trot along a paved road in Spain’s northeastern Catalonia region, stopping every now and then to nibble with gusto on the dry shrubs lining the edge of a forest.
The herd wandering from town to town is part of a pilot project set up in the city of Mataro, which forms part of a broader European Union-funded
