accommodation appearance appearances background buildings colors colours contrast contrasting culture grass grassed-area homes houses jet-ski jet-skiing lawns leisure light moving outdoor outdoors outside park public-park recreation ripples rippling river river-views riverside scenery scenic shade shadow shadows shrubbery shrubs sunlight sunshine surfaces transport transportation travel trees vegetation views water waterways Aiguille du midi Chamonix climbing glacier mont blanc Monte Bianco mountain mountaineering peak skiing snow summit winter alp alpine heavy-duty hill landscape machine maintenance mountains rock rocks shovel ski sports work advice alert appropriate-behavior appropriate-behaviour behavior behaviour caution communication dangers fast freestyle freestyling fun information informing limitations limited manoeuvrability mobility movement pastime power-sport restricted restrictions risk risky safety sign signs speed sport warning warning-sign watch watch-out water-sports wave-runners alps cold global warming ice vallée blanche range rocky season sky snowcovered snowy stone sun view white wild adventure clouds extreme freeze freezing frozen giant huge icy storm weather wind vallée blanche