Preserve ancient agricultural wisdom, sow a digitally sustainable future | 李众 Li Zhong | TEDxBeijing

[Music] [Applause] [Music] A few years ago, I visited the honey terrace field in Hono Minan province. And there was one day I was walking along the field in the morning and I saw an elderly man was squatting by the pattif field quietly observing the flow rate of the stream. And he said, "By simply looking at the water, I know if I can irrigate the field today." There was a certain certainty in his eyes which is accumulated wisdom of centuries.However, his grandson has already moved to the cities for work an ...