🚇 Barcelona metro opens Correus and Gaudí ghost stations for first time, coinciding with the centenary celebrations. The former L4 metro line station of Correus, located on Via Laietana street, is only accessible on foot via the tracks from Jaume I station. Therefore, the visit has to take place at night when there is no metro service. Gaudí’s station, on the L5 blue line, is located between Sagrada Família and Sant Pau | Dos de Maig stations. It will be accessible during the day, as the visit