Deep within Yucatan Island, in a tropical rainforest where the canopy blocked out the sun.
"Keep up! High-ranking warriors, guard our rear! Don't let anyone fall behind!"
A large group of natives, carrying their families and belongings, was leaving their city to hide deeper in the rarely explored jungle. Men and women, young and old alike, were all agile and adept, adapting to this environment far better than any outsider, even after leaving their city. An invisible "border" shrouded them, concealing their tracks so thoroughly that not even the birds in the sky could detect anything amiss.