From the labyrinthine paths and serene squares of the Gothic Quarter to the stunning art nouveau architecture of the Eixample, Barcelona is a place of irresistible charm. Throughout this beloved Catalan city by the sea, dazzling signage is everywhere: glowing mosaics and stained glass, intricately carved stonework and brilliantly gilded placards heralding the city's eclectic mix of commerce sakriti opis