countryside England english exercise fence field footpath grass Great Britain green hills landscape meadow national park pastoral path rural South Downs summer Sussex travel view walk direction hillside nature peaceful quality road slope trees verge village cereal cloud crop farm farmhouse golden grain harvest ripe sky track trail Triticum wheat yellow lane bridleway dirt road environment fields spring distance long peace tranquil Bedfordshire dog enjoyment fun hill leisure man pleasure stroll sunday woman animals domesticated graze lambs mammals sheep valley