People enjoy dahlia flowers in Lisse, the Netherlands

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)