Aerial of the rock tombs, Madain Saleh (Hegra) (Al Hijr), UNESCO World Heritage Site, Al Ula, Kingdom of Saudi Arabia, Middle East

photography horizontal color image travel destinations travel unesco world heritage site maidain saleh al ula saudi arabia middle east rock formation rock desert arid climate no people outdoors sunset dusk aerial view landscape cloud sky door doorway travel destination tourist destination tourist destinations sundown evening twilight rock formations rocks outdoor outside nobody no one no person deserts hot heat arid dry