Frosted leaves pictured in Shanghai

Frosted leaves are pictured in a flowerbed of Songjiang District in Shanghai, east China, Dec. 22, 2020. (Xinhua/Zhang Jiansong)

Frosted leaves are pictured in a flowerbed of Songjiang District in Shanghai, east China, Dec. 22, 2020. (Xinhua/Zhang Jiansong)

Frosted leaves and flowers are pictured in a flowerbed of Songjiang District in Shanghai, east China, Dec. 22, 2020. (Xinhua/Zhang Jiansong)

Frosted leaves are pictured in a flowerbed of Songjiang District in Shanghai, east China, Dec. 22, 2020. (Xinhua/Zhang Jiansong)

Frosted leaves are pictured in a flowerbed of Songjiang District in Shanghai, east China, Dec. 22, 2020. (Xinhua/Zhang Jiansong)

Frosted leaves are pictured in a flowerbed of Songjiang District in Shanghai, east China, Dec. 22, 2020. (Xinhua/Zhang Jiansong)

Frosted leaves are pictured in a flowerbed of Songjiang District in Shanghai, east China, Dec. 22, 2020. (Xinhua/Zhang Jiansong)

Frosted leaves are pictured in a flowerbed of Songjiang District in Shanghai, east China, Dec. 22, 2020. (Xinhua/Zhang Jiansong)

Frosted leaves are pictured in a flowerbed of Songjiang District in Shanghai, east China, Dec. 22, 2020. (Xinhua/Zhang Jiansong)