Here is a another viewpoint. I like it. Source https://www.mila.bg/article/8298342. Screenshot of translation by Google.
https://translate.googleusercontent.com/translate_c?depth=2&nv=1&rurl=translate.google.com&sl=bg&sp=nmt4&tl=en&u=https://www.mila.bg/article/8298342&usg=ALkJrhhmAJfMftWub4EVm83t1_si20V17A