MTL - Mini World Of Endless Fun Awaits - Chapter 33 Ok? Waste wood flow?

... he light is just right early in the morning. It was discovered that the door of the experimental building is a thick black steel door that looks thicker than the wall. All the windows are integrated explosion-proof glass, which is fully ventilated. Ventilation system, and even without curtains, everyone is invisible from the outside.

"Is this the legend, those often appearing in those ... single-sided glass?" Yuan Dang looked seriously, and the words he spoke were completely different fro ...