wide yellow fields in spring, eifel hills near mayen and thür

countrysite agriculture springtime landscape stretches grassland vegetable mountain volcanic rapeseed germany belgium covered prairie produce pasture horizon yellow fields spring forest summer mendig meadow flower eifel hills mayen rhine green field thuer plant plain grass wide area west food crop farm thr sky blooming canola oilseed rapsfeld beautiful beauty cereal environment grain texture wheat growth june may nature season wind windy