Alpine Bistort arctic Bistorta vivipara flowers green Lofoten Islands meadow norway norwegian Persicaria Polygonum Rhinanthus minor summer white wild yellow yellow rattle altitude austere bleak cloud cold freezing habitat harsh high icy landscape melting natural nature plateau rugged snow Thaw water chemical coastline dock harbour industrial industry Jetty machinery manufacture mountain ocean process produce production quay refinery rock sea silo wharf adult child children Cross-country family fun girls home house leisure outdoors pleasure ski skiers skiing sport alleyway architecture bergen blue building city door facade fixture lamp neighbourhood red roof tiles Urban design window wood beacon distant far islands islet mountains northern remote shore warning boulders countryside exercise flow footpath hike hillside path river track trail walk beach footprints holiday horizon rocks sand tide vacation wave