Strawberry stereoscopic cultivation raises land use efficiency in China's Shandong

Tourists pick strawberries at a greenhouse in Jimo District of Qingdao, east China's Shandong Province, on Dec. 9, 2018. Strawberry stereoscopic cultivation is a new cultivation method which can raise land use efficiency and make sure that tourists pick strawberries more easily. [Photo: Xinhua/Liang Xiaopeng]