Demid Sofonovich Pyanda or, according to some sources, Panteley Demidovich Pyanda, also spelled Penda was among the first and most important Russian explorers of Siberia. According to few historical d

Baikalia is a vague geographical term referring to the region around Lake Baikal. It is less common than the concept of Transbaikalia, the area to the east of Lake Baikal. The term Baikalia is loosely