"Since the high-speed line was built, 30-something years ago, we never had any problems, it worked perfectly and was fantastic," says Alberto Montavez Montes, a shop-owner opposite Córdoba city hall, where the Spanish and Andalusian flags have been hanging at half-mast. Now, though things feel different: "It's not that there's psychosis, but it does make you just a bit reluctant to get on a train, without a doubt." In just a few tragic days since two high-speed trains collided in this southern