PUT your brain to the test with this tricky optical illusion that only a select few can figure out. This mind-boggling illusion has left puzzle lovers scratching their heads as they try to find three foxes hidden in the branches. Can you spot the three hidden foxes in this tree? At first glance, the tricky photo appears to be a simple black-and-white silhouette of a tree. However, as viewers look closer, there is something hidden between the…