“The Ahrensburg culture or Ahrensburgian (11th to 10th millennia BCE) was a late Upper Paleolithic nomadic hunter culture in north-central Europe during the the last spell of cold at the end of the Weichsel glaciation, resulting in deforestation and the formation of a tundra with bushy arctic white birch and rowan. The most important prey was the wild reindeer. The earliest definite finds of arrow and bow date to this culture, though these weapons might have been invented earlier. “ More here. A perfect demonstration of the capacity of human beings for finding elegant technical solutions. It’s extraordinary what you can do when your survival depends on it.