URL：https://get.pxhere.com/photo/desert-sand-erg-natural-environment-aeolian-landform-dune-nature-sahara-singing-sand-sky-brown-landscape-morning-horizon-ecoregion-wilderness-geology-atmosphere-sunlight-hill-shadow-terrain-cloud-soil-stock-photography-evening-dawn-dusk-rock-plain-Tints-and-shades-1505157.jpg
掲載元：https://pxhere.com/ja/photo/1505157
