Sure I would be happy to show you..

http://www.cnn.com/2014/02/16/world/asia/north-korea-un-report/ - North Korea: 'We were forced to eat grass and soil'

https://www.amnesty.org/en/latest/news/2010/07/starving-north-koreans-forced-survive-diet-grass-and-tree-bark/ - Starving North Koreans forced to survive on diet of grass and tree bark

https://www.infowars.com/north-korea-telling-citizens-to-eat-grass/ - NORTH KOREA TELLING CITIZENS TO EAT GRASS





https://www.youtube.com/watch?v=Xh4CtTGAzKw  28 seconds in - what do you eat? .. Nothing..

So my mistake, they are all gardeners and they don't eat grass instead the eat nothing.