That afternoon.
Area 51 of Guixu.
This was an exploration area belonging to Freedom Wings, and it was also the last place Michael had appeared.
Since entering this area, Luo Yan had been able to see Freedom Wings researchers near many sites where traces of the Ancient People had been discovered.
They had built isolation zones around the traces, and anyone entering or leaving them could do so only through designated entrances and exits.
Even now, Area 51 had not been fully explored, and many places remained unknown.
The grave pit where Luo Yan and the others currently were was one such unknown area.
Before this, Freedom Wings' Exploration team had never reached this place.
It was only after Michael's appearance that humans discovered it.
The enormous grave pit before Luo Yan was located in a Nether Valley.
The vegetation here was dense. The light from Guixu's sky could barely penetrate the thick canopy, and mottled patches of light spilled across this almost-forgotten land, lending the grave pit a little brightness.
Luo Yan looked over. Ancient, towering stone walls stood around the grave pit, with various patterns carved into them, though moss and vines growing from the cracks concealed them.
Moss was everywhere, while winding, thick vines intertwined with one another, like chains of time tightly locking away the secrets of the past.
At that moment, several Freedom Wings mechs were clearing the vegetation from the stone walls.
As the vines were severed and the moss wiped away, the patterns on the stone walls appeared before everyone's eyes.
They depicted winged people. These winged figures had their wings spread as if ready to fly, and aside from lacking halos above their heads, they were indistinguishable from the angels of legend.
Within the grave pit, enormous shallow depressions were arranged in