Architecture, Tower, Spire, Steeple, Arch, Arched, Column, Pillar, Buen Retiro, Europe, European, Palacio de Cristal, Reina Sofia, Spanish, architecture, autumn, autumnal, building, capital, city, cityscape, cloudy, cristal, crystal, destination, fall, glass, iron, landmark, madrid, morning, museum, old, overcast, palace, park, retiro, season, spain, structure, tourism, travel, velazquez, national capital, dwelling, facility, house, seat, weather, spanish, mansion, landmass, district, housing, edifice, methylenedioxymethamphetamine, romance, european country, italic, european, europe, indo-european, metropolis, latin, urban area, urban center, club drug, working capital, bad weather, center, adam, castle, cloudiness