Extreme weather with drought and floods is one of the reasons why China is now investing in securing the supply of food in the country.

But the corona pandemic is also a reason why you want to be able to cope with longer periods of isolation.

- I see a change.

Today we are facing greater challenges, and this will probably force us to find solutions that are sustainable in the long run, says Shi Jan.

SVT's China correspondent Ulrika Bergsten and photographer Ronald Verhoeven met farmers in Kunming.

See the report in the video above.