countryside England english exercise field footpath grass Great Britain green hills landscape meadow national park natural nature open path peaceful rural South Downs spacious summer Sussex track trail tranquil travel trees view walk wide abundance abundant blue border clouds ecology flora flowers habitat hill margin plants profusion rich sky umbellifer verdant verge white wild yellow calm cloud contour cumulus curve curved evening farm golden horizon light panorama pasture peace rolling shadow tranquility valley chalk Cross-country explore fence fun hobby long-distance pastoral ridge walker boundary destination direction forest fresh hedge oxfordshire spring sunlight Trek wood woodland cycle cycling cyclist gate mountainbike move ride ancient bank Cissbury Ring dusk earthworks fields fort historical Iron Age old remnant shadows abstract art beautiful cartoonish colours Edenic environment fantasy graphic natural environment orange painting pink pretty purple rainbow colours red river Rolling Hills surreal visual arts action aerial aerofoils air color colour diversity flock fly glide gliders group hang-gliders on the move outdoor parachutes paragliders soar sport suspend