C262 The Clue

"Beep! Beep!"

With two crisp electronic chimes, the door before Bai Donggu swung open effortlessly.

A light, brighter than that of the outer corridor, spilled out, illuminating the faces of the trio.

As the door widened, the interior scene unfolded before their eyes.

Numerous diamond-shaped bulbs were set into the ochre walls, casting a bright yet gentle white glow, powered by electricity