I know Systema was developed in Russia and that there was a lot of active development of it during the Soviet era. During that time, the Soviets provided training to quite a number of Eastern European military/police/espionage personnel. I was wondering if any of these countries had a group that adopted Systema and made it theirs, much as we now see "American Karate" and the like. In other words, is there a Bulgarian Systema?