autumn blue sky bushes clouds field forest germany grass hills landscape lindlar meadow sunshine trees walk cloudy cow cows horizon rain rual scene sky storm sun tree weather beach blue coast coastal dune dunes holland Netherlands path sand sea space zeeland cloud clouded covered grassland green nature plain spring beaches brick chair hotel relax rest seat shore stair vacation cauliflower clouds cauliflower-like colored colors coloured colours compacted conditions cumulonimbus edges formations gray grey heavy light shapes skies strong textures thick variations various cloud formations white