Fire from Friction

<p>In ancient times humans lacked the kowledge of harnessing fire let alone how to manage it. They had to consume raw ucooked food and during the night their only source of illumination was the moon and stars.Once.during a thunderstorm a lifeless tree was hit causing its leaves and branches to erupt in flames . ..</p><p></p><p>钻木取火是一种古老的生火技术，通过快速摩擦木材产生高温，进而点燃火种。它是人类最早掌握的人工取火方法之一，在世界各地的原始部落和古代文明中均有应用。</p>