ancient barrier boundary cloud door drystone England entrance exit farm field gate Great Britain green hill landscape meadow natural nature old sedge sheep sky slope spring stone wall clouds erica grass grassland moor moorland moors mountain mountain ash Natural landscape plant Plant community purple Rowan stream summer tree Trough of Bowland water Asia battlements china construct construction forest fort garrison Great Wall landmark protect protection steep tourist attraction view walk walkway wonder bank chilly cold freezing frozen hillside pattern shadow snow South Downs sunlight Sussex texture tussock white wild winter blue countryside downland english exercise footpath path quality track trail diversity empty historical home house ivy pavement quiet road sidewalk steps street terraced town traditional variety village wiltshire window architecture building color colour cream homes houses pink shipboard uphill weatherboard windowboxes windows yellow fence fun lane leisure rural snowy walker walking animal chalk equestrian horse mammal peace ride rider ridge tranquil beautiful beauty bush pastoral peaceful shrub verdant american chunk climber crack enormous fissure gigantic glacier gulley height high huge ice lump Mount Baker peak terrain top usa vast