It was a solid sphere, and with Lin Yi's naked eye, he couldn't determine if it was pure white, grayish-white, or some other color entirely, nor could be discern what material it was made of. From his first impression, he guessed it was some kind of stone.
The stone was etched with several concentric circles that looked like an eagle's eye, and at the center of this eagle eye seemed to be a symbol crafted as though poured from boiling gold.
And it was this very stone that was actually radiating light.
"This is the 'light bulb'?!"
Lin Yi sucked in a breath of cool air, his heart filled with an indescribable taste. Only at this moment did he realize that he had some huge misunderstanding of the street lights within this school campus.
"Could all the light in the school campus come from such magical stones?"
