A woman takes pictures by a lake in Bekaa valley, Lebanon on May 26, 2019. (Photos: Xinhua)

Photo taken on May 26, 2019 shows the ancient Roman ruins in Bekaa valley, Lebanon.

Photo taken on May 26, 2019 shows the scenery of a lake in Bekaa valley, Lebanon.

Photo taken on May 26, 2019 shows the scenery of Bekaa valley in Lebanon.

Photo taken on May 26, 2019 shows a village in Bekaa valley, Lebanon.

Photo taken on May 26, 2019 shows the scenery of Bekaa valley in Lebanon.

Photo taken on May 26, 2019 shows the scenery on the way to Bekaa valley in Lebanon.

Photo taken on May 26, 2019 shows the scenery of an artificial lake in Bekaa valley, Lebanon.

Photo taken on May 26, 2019 shows the scenery on the way to Bekaa valley in Lebanon.