nature in the mountains in vikos-aoos in zagori, northern greece

cliff terrain canyon geology valley mountain wadi rock formation badlands plateau ridge wilderness landscape park tree trail adventure background beautiful beauty blue color destination europe forest grass greece greek green high hiking historical holiday ioannina landmark light morning mountains national natural nature nobody outdoor outdoors panorama path range scenic sky stone summer top tourism travel trekking view vikos gorge epirus zagori from viewpoint oxi vikos-aoos northern