Complex sentence: The scene depicted is of hunting by the humans who are corralling and killing a group of guanacos and are in a posture of attacking the animals with axe, lances, and spear throwers.
Split into simpler sentences: The scene depicted is of hunting by the humans who are corralling and killing a group of guanacos. The humans are in a posture of attacking the animals with axe, lances, and spear throwers.