Las persianas, eso que para nosotros es normal pero no para todo el resto del mundo

Why can't Spaniards get rid of their blinds? - Windows connect the interior of our cosy homes to the outside world. Numerous innovative devices have been invented to regulate this delicate relationship between our private and public lives through history and culture. Strangely, in Spain, a specific type of rolling blind shields practically every window, whether old or new. Why is this object ubiquitous in the south of Europe but almost unheard of in the north? Video and animation by Álvaro Pérez Ramírez (Alv Peerz) Producer: Ana Catalá Follow BBC Reel on Twitter, Instagram, Facebook and YouTube