They change course and manage to avoid the Neanderthal trap , but the Neanderthals , in frustration , charge wildly after the two .
When Mark and Tlaxcan return to the site of the kill to relieve the guards , they spot circling vultures and suspect an ambush .
guards change course and manage to avoid the Neanderthal trap , but the Neanderthals , in frustration , charge wildly after the two .
When Mark and Tlaxcan return to the site of the kill to relieve the guards , they spot circling vultures and suspect an ambush .