A visitor takes photos of the tulips during the 15th Tulip Exhibition held at Wilanow Palace in Warsaw, Poland on April 5, 2025. The event runs through April 6. (Photo: Xinhua)

People visit the 15th Tulip Exhibition held at Wilanow Palace in Warsaw, Poland on April 5, 2025. The event runs through April 6. (Photo: Xinhua)

This photo taken on April 5, 2025 shows tulips on display during the 15th Tulip Exhibition at Wilanow Palace in Warsaw, Poland. The event runs through April 6. (Photo: Xinhua)

People visit the 15th Tulip Exhibition held at Wilanow Palace in Warsaw, Poland on April 5, 2025. The event runs through April 6. (Photo: Xinhua)