Save a bunch of people here and there, at first the cobblestoned road in Madrid is quiet. Around me are buildings— some residential, some offices. As I keep walking, I feel human noise amplifying. Street artists perform illusive stunts; inside makeshift white tents, flea markets are abuzz. The street is not so quiet anymore. Finally, the road opens to a square, cluttered with a crowd of leisure seekers and overlooked by a bell tower with a ticking clock. This is Puerta del Sol, the literal centre of Madrid as well as Spain. Puerta del Sol facts that attract Puerta del Sol which means “the gate of the Sun” served as…