By Svorad and found on: https://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Kefir-jadro-upravene.jpg/800px-Kefir-jadro-upravene.jpg
![](/image/2020/1/14/kefir.jpg%28mediaclass-full-width.c3083fedae46a95f1139ff9d5833b1b6b8e20a69%29.jpg)
By Svorad and found on: https://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Kefir-jadro-upravene.jpg/800px-Kefir-jadro-upravene.jpg