A farmer takes care of strawberries at a greenhouse in Jimo district of Qingdao, East China's Shandong province on Dec 9. [Photo by Liang Xiaopeng/Xinhua]

Tourists pick strawberries at a greenhouse in Jimo district of Qingdao, East China's Shandong province on Dec 9. [Photo by Liang Xiaopeng/Xinhua]