The Madrid sky is grey, as if trying to complement the classical façade of the Royal Palace of Madrid (Palacio Real de Madrid). Even on this pale day, Plaza de la Armeria, the open square that adorns the entrance of the palace looks uplifting. In Western Europe’s largest palace, in front of the marble walls and pillars, standing on a dais, wearing a toga, a Romanesque statue of King Charles III of Spain welcomes me at the base of the staircase. The tour of the Royal Palace of Madrid features at the top of every Madrid itinerary and rightly so. The palace contains 3418 rooms and covers a total area…