italy, piazza navona, snow, snowfall, unusual, exceptional, monument, tourism, tourist, people, cold, winter, season, church, obelisk, Architecture, Europe, Urban Scene, Town Square, Famous Place, Street, Outdoors, City, Cold - Temperature, Cityscape, Town, Ice, Cultures, covered, sculpture, ancient, roman, culture, white, frost, snowy, historic, marble, statue, touristic, fountain of the four rivers, frozen, fountain, art, square, famous, italian, snowbound, urban, rome