blue cloud dark evening high mountain Romania silhouette sky tree altitude beautiful beauty conifer distance distant dolomites far Fir forest green height Italy landscape mountain range mountains nature panorama snow view white wood austere boulder broken canada hard montane natural rock Rockies Rocky Mountains shattered stark summit top America cascades fresh light plants ridge usa vegetation Carpathians chalet grass highland hut road alp climb up clouds countryside frog Greece hike hills mist mount mountaineering outdoor peak rocks stone topographic cascade flower fog Haze village grevena spilelo valley Central Europe High Tatras lake landscapes Slovakia tatra trees pines pond water