11月25日，在山东省茌平县贾寨镇邢胡刘村黄瓜大棚里，大学生村官张勇（左）查看了解黄瓜的长势情况。自入冬以来，该地区一直遭受低温寡照天气的影响。[中国网图片库 赵玉国 摄]
Local official Zhang Yong (L) examines the growth of cucumbers in a greenhouse in Xinghuliu Village of Chiping County in east China's Shandong Province, on Nov. 25, 2015. The area has suffered from low temperatures and short periods of sunshine since the onset of winter. [Photo by Zhao Yuguo/photostock.china.com.cn]