Aerial view of sand dunes in the Gobi desert with caravan route, Silk Road, Dunhuang, Gansu, China, Asia

above aerial aerial angle aridity asia asian birds birds eye caravan caravans china chinese countryside day daylight daytime desert deserts dried drought droughts dry dryness dune dunes dunhuang duny during elevated exterior exteriors eye from gansu gobi heat high high angle in landscape landscapes nobody of outdoor path paths pathway pathways perspective perspectives photo photograph photographs photos road route sand sand dune sand dunes sanddune sanddunes sandy scenery scenic shadow shadows shot shots silk the top topview topviews trace traces track tracks trail trails view views way ways with