Everyone can see the tourists on safari but you have 20/20 vision if you can spot the clock in less than 8 seconds
YOU might just have 20/20 vision if you can spot the clock in less than eight seconds in this tricky optical illusion. But be warned because this latest brainteaser is bound to leave you pulling your hair out as you race against the clock. 8 Only those with 20/20 vision can spot the clock amongst … Read more