Optical illusion: Only a person with high intelligence can spot the smiley face
Challenge your observation skills with an optical illusion that hides a smiley face among a treasure box, a magic lamp, and ...
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'Smiley face' discovered on Mars could contain indicators of life
A 'smiley face' has been discovered on the surface of ... The face is made up of two crater 'eyes' and ancient salt deposits. The image was taken by the European Space Agency's (ESA) ExoMars ...