santarém castle walls on top of the hill at golden hour, portugal

santarém castle walls top hill silhouettes people viewpoint overlooking tagus river leziria golden hour portugal tejo grass green mountain landscape beautiful sundown architecture building walking leisure vacation medieval tourism famous old culture travel turret orange outdoor nature natural environment viewpoint sky cloudy colorful branch autumn landmark sunlight hour portas sol sunset garden park leaves trees hill fortification fort castle walls leziria santarem ribatejo ramparts portuguese portugal europe