arrow bark bicycle bicycle trail bike biking cycle cycle trail direction directions forest guide mark natural paint path pictogram road roadsign sign signs trail tree trees wood woods Camel Trail Cornish cornwall cycle path cycling England english fun Great Britain lane leisure plants route spring touring tourism travel verges cutout information isolation national ride rider white isolated roadsigns warning yellow chalk countryside Cross-country cyclist explore fence field grass green hill hobby landscape mountainbike move nature pastoral ridge rural South Downs summer Sussex track view gate cloud destination footpath holiday meadow pleasure sky sport tour transport vacation wheels wild arch architecture bricks bridge railway river water animal estuary exercise farm graze hills line mammal Mawddach peaceful sheep tranquil wales walk welsh