C884 A Small Golden Door That Needs Inner Air to Open

Liu Lei didn't take his eyes off the parchment paper as he looked at it in the sunlight.

In any case, he wasn't afraid of the glaring sun, so he could open his eyes wide and take a good look.

In fact, the sun had weakened a lot after being filtered through the parchment.

The effect was similar to wearing sunglasses. One could see that the material of the parchment paper was rather thick