Photo taken on Nov. 4, 2021 shows a stunning stargazing experience at Hegra in Alula, Saudi Arabia.(Photo: Xinhua)
Photo taken on Nov. 4, 2021 shows Hegra, Saudi's first UNESCO World Heritage Site, in the light of candles in Alula, Saudi Arabia.(Photo: Xinhua)
Photo taken on Nov. 4, 2021 shows an interactive performance about the Nabataean's warrior queen in "Queen Shaklith Historical Re-enactment Show" in Alula, Saudi Arabia.(Photo: Xinhua)
Photo taken on Nov. 4, 2021 shows an interactive performance about the Nabataean's warrior queen in "Queen Shaklith Historical Re-enactment Show" in Alula, Saudi Arabia.(Photo: Xinhua)