Green development is a key attribute in China's high-quality development and Chinese modernization. China has been a net exporter of solar panels for years, and the country is the global leader in technology and supply chains. CGTN's Zheng Junfeng spoke to NPC Deputy Zhong Baoshen, who's also the chairman of the world's largest solar panel manufacturer. Zhong explains why urban and rural building-tops should install more solar panels.