Aerial orbit of Lisbon city center with traditional colorful houses around Martim Moniz square, Lisbon castle on the hill and sea in the background

lisbon city lisbon praca martim moniz aerial view martim moniz square portugal city center town aerial buildings tourist destination city establishing view european tourism apartment buildings building center cityscape houses downtown traditional houses urban europe homes architecture rooftops apartments landscape castle landmark travel tourist historic destination monument street rooftop historical landmark house beautiful old day establisher traditional traffic colorful hills