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

photography horizontal color image travel destinations travel saudi arabia middle east desert arid climate unesco world heritage site maidain saleh al ula rock formation rock no people outdoors day low angle view clear sky travel destination tourist destination tourist destinations rock formations rocks outdoor outside nobody no one no person deserts hot heat arid dry daytime