Revellers attend a parade during the Debrecen Flower Carnival to celebrate the National Day in Debrecen, Hungary, Aug. 20, 2025. (Photo by Attila Volgyi/Xinhua)

A reveller attends a parade during the Debrecen Flower Carnival to celebrate the National Day in Debrecen, Hungary, Aug. 20, 2025. (Xinhua/Chen Hao)

Revellers attend a parade during the Debrecen Flower Carnival to celebrate the National Day in Debrecen, Hungary, Aug. 20, 2025. (Xinhua/Chen Hao)

Revellers attend a parade during the Debrecen Flower Carnival to celebrate the National Day in Debrecen, Hungary, Aug. 20, 2025. (Photo by Attila Volgyi/Xinhua)

A flower-decorated float is seen at a parade during the Debrecen Flower Carnival to celebrate the National Day in Debrecen, Hungary, Aug. 20, 2025. (Photo by Attila Volgyi/Xinhua)

A reveller attends a parade during the Debrecen Flower Carnival to celebrate the National Day in Debrecen, Hungary, Aug. 20, 2025. (Photo by Attila Volgyi/Xinhua)

A flower-decorated float is seen at a parade during the Debrecen Flower Carnival to celebrate the National Day in Debrecen, Hungary, Aug. 20, 2025. (Photo by Attila Volgyi/Xinhua)