Beyond the Passage of Time is a documentary series devoted to African tribes that are rapidly vanishing with the advance of civilization. The director and producer of the series is Sergei Yastrzhembsky, erstwhile Russian politician and diplomat. Idea According to Sergei, he founded his new business, the Yastreb Film studio, in July 2008 so as to "compile a "Red Book" of vanishing African cultures." The first documentary dubbed "Children of the Savannah" on the Botswana Bushmen in Xai Xai was exposed to the public eye in October 2009. The documentaries are soon due for display on Russian mainstream television. References 2000s documentary television series Russian documentary television series