deciduous England english exercise forest Great Britain natural nature path spring Sussex track trail trees trunks walk wood woodland Catalan catalonia Catalunya conifer costa brava green hillside mediterranean pine Spain spanish stone wild branch leaf leaves shade shadow sunlight tree trunk flowers rhodedendron rhododendron shrubs Surrey understorey understory farm field landscape meadow sedges autumn british colour entrance fall fence gate gateway uk background Betula birch texture white bavaria distance germany mountains outdoor red silhouette sky summer sun sunset bluebells fresh activity bulldozer digging equipment excavator industrial lifter loader machine machinery shovel tractor transportation truck vehicle work