Aerial photo taken on June 15, 2019 shows the maze made with more than 600,000 Chinese roses in Xingtai City, north China's Hebei Province. (Xinhua/Mou Yu)

Children play in the maze made with more than 600,000 Chinese roses in Xingtai City, north China's Hebei Province, June 15, 2019. (Xinhua/Mou Yu)