Very often there is something special about a port town, a feeling of frontier, of moving on, of adventure. Despite the fact that a large percentage of those passing through spend at most a single night in the town, there is a certain excitement about such places and we’ve regularly found them to be lively, vibrant towns with an air unique to their situation. And then there’s Algeciras. Gateway in and out of Europe it might be, but make no mistake, Algeciras is as scruffy and ugly as it gets. No wonder everyone passes through quickly; I am reminded of Bill Bryson’s comments about Dover. A quick ride on Seville’s…