1 / 4   An elementary school in east China’s Hangzhou City in Zhejiang Province has transformed the rooftop of its school building into an eco-friendly farm. /VCG Photo

2 / 4   The modernized, multifunctional farm consists of an orchard, a sunflower garden, crop plantations and even a paddy field supporting fish culturing. /VCG Photo

3 / 4   To sustain the farm in an eco-friendly way, the school has employed biogas digester and automatic irrigation system. /VCG Photo

4 / 4   The 1,300-square-meter “hanging farm” was designed and maintained by the school students, parents, teachers and agricultural experts from Zhejiang Academy of Agricultural Sciences. /VCG Photo