coniferous trees on the slopes of rigi mountain and above the lake lucerne vierwaldstättersee

background black botanical branch breath bush canton cedar collection conifer coniferous draw eco ecology environment evergreen fir flora foliage forest forested four graphic green growth isolated lake landscape leaf lucerne mountain natural nature needles outdoor outline park pine plant rigi season seasonal set settlements shape silhouette slopes spring spruce stem summer switzerland tree trees trunk vierwaldstacurren tt ttersee view wildlife wood woodland