Rub' al Khali desert on the border of Oman and the Emirate of Dubai

© Daniel Schoenen/Offset by Shutterstock - 2021-08-16

sky cloud ecoregion natural environment natural landscape sunlight mountain terrain slope horizon landscape tree mountainous landforms plain tints and shades grass grassland aeolian landform dune hill singing sand sand wilderness erg shadow plateau soil desert rock art mountain range