High angle shot over beautiful vineyards along the hilly slope in Douro Valley, Porto area, Portugal on a sunny day

high angle shot douro valley douro vineyard porto portugal sunny day sunny daytime beautiful countryside douro portugal douro river green hill landscape mountain nature outdoor scenery summer travel tree valley vines wine wine production green vegetation day slope overview water body winding road road trees hilly terrain hills port wine production river tourist destination view from hilltop farming famous wine production terrace cultivation faming vineyards famous vine production area porto area 4k