People pose for a photo in front of wild flowers at Chino Hills State Park in Chino Hills, California, the United States, on April 27, 2025. (Photo: Xinhua)

People visit Chino Hills State Park with rolling hills covered with wild flowers in Chino Hills, California, the United States, on April 27, 2025. (Photo: Xinhua)

A visitor poses for photos amid wild flowers at Chino Hills State Park in Chino Hills, California, the United States, on April 27, 2025. (Photo: Xinhua)

A man takes photos of wild flowers at Chino Hills State Park in Chino Hills, California, the United States, on April 27, 2025. (Photo: Xinhua)