1、Visual games 12021/6/7Are they Parallel(平行）? Which is longer?Dont believe your eyes!22021/6/7How many children are there?Are they same?The second seems biger?Actually,they have no difference.What you see is not ture!32021/6/7Its called Visual illusion! A game our eyes play with us.42021/6/7We have t

2、his illusion because：Our eyes cant distinguish two dimension(二維）and three dimension (三維).Color ,light and surroundings can mislead our eyesSometimes ,we can only see some thing from a certain angle Our brain is easy to be influenced to get a wrong conclusionblind spot (盲點(diǎn)）52021/6/7pavement drawings(

3、街頭立體畫(huà)）62021/6/7A famous coincidence(巧合） A vase or two persons?When you see one you will miss another one.A man or a woman?72021/6/7In fact,this two moon is the same colour.Surrounding makes them different.Its colour makes differences.82021/6/7A young lady or old lady?Happy or angry?Move ahead,what y

4、ou see?Fish and a man or.Stop seeing from one angle!92021/6/7102021/6/7Today,artists get inspiration(靈感）from illusion.Visial art soon became a perfect way for these talented artists to express their strangeness(奇詭的想法）112021/6/7Exciting and interesting visual puzzle and mysterious pattern （圖樣） will m

5、ake you want to know: What they really contain? Why it looks so different?You could not help shaking head to find the extraordinary geometric(幾何學(xué)的） patterns.And when you focus on these pictures ,you feel they are very skilled to make you doubt ,think then laugh. When you think these pictures leading to false face, arm or leg over and over again , all the ordinary things look extraordinary.122021/6/7132021/6/7142021/6/7152021/6/7Some in