The idea is to create an optical illusion to make it look like the box is empty.

男被访者这个创意是使人产生视觉幻觉，看起来这个盒子像是空的。

youdao

The idea is to create an optical illusion to make it look like the box is empty.

男被访者这个创意是使人产生视觉幻觉，看起来这个盒子像是空的。

youdao