branch current danger England english flow Great Britain green landscape natural nature powerful river strong surge surging thames tree violent water arch chalk cliff coast face hole kent low peephole rock sea shore sky stone tide crop farm field grass meadow peace plain rural South Downs spring Sussex view woodland background bloom blossom closeup cutout flower flowers heyday inflorescence pattern petal petals red sun sunny tile wall wallpaper yellow bush Cornish cornwall flora gorse shrub spiny Ulex wild cloud cold freezing icy mountains norway norwegian plateau road shadow snow snowy summer white Arbel boulders dry galilee hills Israel limestone mount national park plants rocks tuft withered blue countryside flax linseed linum hill pastoral pasture ridge slope track tranquil cascade damp fall fern grow growth hepaticae liverwort madeira moss pour Pteridophyta refresh stream waterfall wet