banks canal England english Great Britain nature path peaceful reflection river summer Sussex towpath track tranquil trees water waterway attraction boat boats bridge city leisure tour tourist urban view york arch architecture bank brick Muscovy duck rural watercourse wiltshire branches bridleway calm February footpath reeds still sunny trail winter choked decay desuetude disrepair disuse historical old barge chair folding life living narrowboat plank seat reflections sky dappled green light ripples shade shadows shady verge waterside Basingstoke Canal Hampshire spring travel