Stock photography, photos: Cross-country skis Stock photos of Cross-country ski against the blue sky Photograph: © Klaus-Peter Wolf Click for a larger image and more information Keywords associated with this stock photo: against, blauen, blue, Cross-country, blau, close, Detail, Makro, Nahaufnahme, Schi, Schilanglauf, Ski, Skilanglauf, weiß, Winter, Wintersport, den, detail, blue, close, cross-country, macro, ski, white, winter, gegen, Himmel, Langlaufschis, ski, skiing, sky, sports, touring, up, kpwx_040123_035