The passage leading to the inner cave did not have any fluorescent trees planted along it, yet it was still as bright as day. This was because huge white stones were embedded into the ceilings of these passages. Those stones flickered with a soft glow like luminous pearls, illuminating the tunnel and the cave not far ahead.
Chu Wenqing couldn't help letting out an exclamation, "Whoa, so bright! It's practically the cultivation version of a light bulb!"
Feng Xiyue and Song Qiao did not understand what a "light bulb" was, but this did not affect them being attracted by the stones overhead in the slightest.
Chapter 122