Vortex star trail in the Rub al Khali desert in Oman, Rub al Khali, Oman, Middle East

photography vertical 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