A very interesting test of cognition - can you count the basketball passes?
And here is an optical illusion that demonstrates an interesting quirk in our visual perception
Here is a wide selection of fascinating optical illusions
Autumnal #photo https://t.co/JFAxkeVOOt https://t.co/Wm9i7VN54o
Fiddler in the White House... https://t.co/WnjNevIbFa