Photo taken on Sept. 11, 2022 shows dahlia flowers in front of the Keukenhof Castle in Lisse, the Netherlands. (Photo by Sylvia Lederer/Xinhua)
Visitors enjoy dahlia flowers at the Keukenhof Castle in Lisse, the Netherlands, on Sept. 11, 2022. (Photo by Sylvia Lederer/Xinhua)
Visitors enjoy dahlia flowers at the Keukenhof Castle in Lisse, the Netherlands, on Sept. 11, 2022. (Photo by Sylvia Lederer/Xinhua)
A child views a flower float of dahlia at the Keukenhof Castle in Lisse, the Netherlands, on Sept. 11, 2022. (Photo by Sylvia Lederer/Xinhua)
Children view a flower float of dahlia at the Keukenhof Castle in Lisse, the Netherlands, on Sept. 11, 2022. (Photo by Sylvia Lederer/Xinhua)
Visitors take pictures of a flower chair of dahlia at the Keukenhof Castle in Lisse, the Netherlands, on Sept. 11, 2022. (Photo by Sylvia Lederer/Xinhua)
Visitors enjoy dahlia flowers at the Keukenhof Castle in Lisse, the Netherlands, on Sept. 11, 2022. (Photo by Sylvia Lederer/Xinhua)