Half a year passed in the blink of an eye.
In Zone 18, the surface had seen negligible change over the past six months, remaining the same timeless, reddish-brown wasteland.
But beneath the surface, a monumental transformation was quietly underway.
The Workshop, Central Control Room.
A massive holographic sand table floated in the center of the room, displaying a network diagram that extended nearly a hundred meters underground.
A thick main artery, glowing a deep blue, originated from the Workshop's foundation. It snaked its way northwest like the spine of a great dragon.
Along its path, several thinner branches extended out, connecting to a series of flashing resource nodes.
This was Allen's "Underground Great Wall."
[Reporting, Commander. Phase One of the 'Underground Great Wall' project has now exceeded a total length of 500 kilometers.]
Jarvis's voice rang out in the control room.
