C441 Blood Coffin

Olivia was puzzled as well. Since she already said it was a matter of physics, why did she have to lower her head? Isn't that a bit weird?

Chen Fei, of course, believed that the person who designed this mechanism must be proficient in scheming and also knew how to use the shortcomings of the five senses of humans to create this illusion.

However, if one were to calm down and think about it