The outdoor air quality published by Beijing Environmental Inspection Agency is "seriously polluted". It is one hour's drive from Beijing's urban area, Mafang Town, Pinggu District, and the air is covered with haze. "It's worrying that pollutants in the air and soil will enter plants directly." In the meantime, Li Yingren, co-founder of the Federation of Agricultural and People's Things, is showing off a three-storey plant factory.