Concentric circumpolar star trail above sand dunes in the Rub al Khali desert, Oman, Middle East

photography horizontal travel destinations travel rub al khali desert arid climate oman middle east sand dune sand star trail milky way spiral galaxy star dramatic sky beauty in nature astronomy outdoors night no people shadow travel destination tourist destination tourist destinations stars starry sky sand dunes dune dunes deserts outdoor outside nobody no one no person nighttime hot heat arid dry