Long valley landscape above clouds from airplane window.Above the clouds.A sea of clouds is an overcast layer of clouds, viewed from above, with a relatively uniform top which shows undulations of resembling waves.Sky moist damp cloud aircraft travel clouds over go going goes transportation large big Altai mountains silhouette successive vast extensive unlimitedness overcast immensity fading clearing majestic beauty perfection awe wonderful fantastic excellent amazing beautiful overhead gorgeous spectacular best imposing cinematic background nature natural film footage idyllic real true color simple standard ambience aerial view flying flight drone before after white misty mist clear. UHD 4K 3840X2160