christmas cold december February flakes frigid frozen holiday holidays ice icy January march shimmer shine shiny snow snowflake texture white winter bed calm countryside England english Great Britain landscape natural nature peaceful quiet reeds river rural shallow spring Sussex tranquil water blue colorado field foot hill foothills grass hill hills horizon mountain mountains peak plains prairie slope desert black poplar branches clouds country evening poplar populus silhouette sky tree trees woods farm flock graze line paddock snowy wall Betula birch branch footpath gorse heathland path Surrey track trail trunk ancient fence gate iron metal old South Downs