monument to king alfonso xii, featuring a semicircular colonnade and an equestrian statue of the monarch on the top of a tall cent

monument king alfonso xii featuring semicircular colonnade an equestrian statue monarch top tall cent aqatic aqueous architecture autumn buen capital city core destination europe european famous garden green history lake landmark madrid magnificent marble memorial park parkland parque people pond retiro river sculpture showplace sight spain spanish statuary tourism tourist travel tree urban vacation water beautiful stone forest