挑战你的视觉 开动你的脑筋
日期:2011-12-21

Counting Cubes
How many cubes do you see in this optical illusion?
数数
数数有几个立方?
The answer is six or seven.

Counting Cubes
How many cubes do you see in this optical illusion?
数数
数数有几个立方?
The answer is six or seven.