This photo taken on Feb. 9, 2026 shows rapeseed flowers at a filed of Half Moon Bay in San Francisco Bay Area of California, the United States. (Photo by Liu Yilin/Xinhua)

This photo taken on Feb. 9, 2026 shows rapeseed flowers at a filed of Half Moon Bay in San Francisco Bay Area of California, the United States. (Photo by Liu Yilin/Xinhua)

People spend their time at the Filoli Historic House & Garden of Woodside in San Francisco Bay Area of California, the United States, on Feb. 9, 2026. (Photo by Liu Yilin/Xinhua)

People spend their time at the Filoli Historic House & Garden of Woodside in San Francisco Bay Area of California, the United States, on Feb. 9, 2026. (Photo by Liu Yilin/Xinhua)

This photo taken on Feb. 9, 2026 shows rapeseed flowers at a filed of Half Moon Bay in San Francisco Bay Area of California, the United States. (Photo by Liu Yilin/Xinhua)

People stroll at the Filoli Historic House & Garden of Woodside in San Francisco Bay Area of California, the United States, on Feb. 9, 2026. (Photo by Liu Yilin/Xinhua)

People stroll at the Filoli Historic House & Garden of Woodside in San Francisco Bay Area of California, the United States, on Feb. 9, 2026. (Photo by Liu Yilin/Xinhua)

A woman enjoys blooming flowers at the Filoli Historic House & Garden of Woodside in San Francisco Bay Area of California, the United States, on Feb. 9, 2026. (Photo by Liu Yilin/Xinhua)