For many years, a third of the farmers in the Changxiao Village, Haining City in Zhejiang Province have raised pigs, producing over 20,000 pigs every year. However, raising pigs produces a large amount of excrement and wastewater. Over time, with the development and changes in the economic and social aspects, villagers gradually realized the need for industrial transformation.
Walking along the river in Qunwei County of Hangzhou, east China's Zhejiang Province, you will find a unique view: a belt of photovoltaic panels besides the stunning landscape.