Rock tomb, Madain Saleh (Hegra) (Al Hijr), UNESCO World Heritage Site, Al Ula, Kingdom of Saudi Arabia, Middle East

photography horizontal color image travel destinations travel rock tomb unesco world heritage site maidain saleh al ula saudi arabia middle east no people outdoors sunset dusk building architecture clear sky desert arid climate rock formation shadow 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