To explore your roots, it is an unended way to know about not only your origin but the origin of the human life on earth, people who were your ancestors thousands of years ago and inhabited the lands in different regions of the world.
The Yamna culture was the first who domesticated horses (cattle herders) and main contributors for the Indo-European languages (proto)
And nowadays we, sometimes look for connecting with our origins again, to our life as it is (or it should be)???????
I selected "Down to earth" for watching. It is an interesting documentary that shows the human condition.