Israeli children play in a pool of soap bubbles during summer vacation in southern Israeli city of Netivot, on July 31, 2018. (Photo: Xinhua)

An Israeli child plays in a pool of soap bubbles during summer vacation in southern Israeli city of Netivot, on July 31, 2018. (Photo: Xinhua)

Israeli children play in a pool of soap bubbles during summer vacation in southern Israeli city of Netivot, on July 31, 2018. (Photo: Xinhua)