https://roamer.travel/spain/barcelona/tours/barcelona-gothic-quarter-roman-barcino

<ul><li value="1" dir="ltr"><span style="white-space: pre-wrap;">Walk the Gothic Quarter from the Roman gate at Plaça Nova to La Rambla and the arcades of Plaça Reial.</span></li><li value="2" dir="ltr"><span style="white-space: pre-wrap;">See the Cathedral, the Roman wall, Plaça del Rei, the Temple of Augustus, the Pont del Bisbe and Santa Maria del Pi.</span></li><li value="3" dir="ltr"><span style="white-space: pre-wrap;">Find out which of the quarter's Gothic stones are medieval and which went up between 1887 and 1970.</span></li><li value="4" dir="ltr"><span style="white-space: pre-wrap;">Stand between Gaudí's two lampposts in Plaça Reial, made as he was just qualifying as an architect.</span></li><li value="5" dir="ltr"><span style="white-space: pre-wrap;">12 stops over 1.8 km, about 75 minutes, with English audio you start whenever you like.</span></li></ul>