History of Vinyasa yoga

Given this clouds in historical literature and lack of a clear historical lineage. Where did our modern proliferation of poses and practices come from? and What are the exact dates of many of the current yoga poses we practice?

Or have they been handed down intact, from generation to generation, as part of an oral tradition that never made it into print?

Press play to learn some really interesting facts about the history of yoga. We all seem to view a lot of the modern poses as thousands of years old.