historic architecture of catedral vieja and catedral nueva in salamanca

artistry cultural heritage gothic architecture spain unesco ancient structures architectural beauty blue sky catedral nueva vieja cathedrals cityscape significance exploration green trees historic sites historical site history intricate details landmarks medieval monumental buildings preservation religious art romanesque style salamanca sculptures sightseeing spiritual stone carvings street view tall spires tourism travel urban landscape vibrant colors visitor attraction explore striking features salamancas majestic clear