A panoramic view of the serene landscape of rolling hills dotted with oak trees, expansive fields, under a cloudy blue sky, Alentejo, Portugal, Europe

trees sky clouds rural landscape panorama green blue white dry brown grass field forest nature outdoors scenery environment countryside farm agriculture vegetation horizon perspective open space summer day light bright warm climate sunny daytime natural background beautiful scenic peaceful tranquility serenity expansive vast distant view digital picturesque beauty earth world