 
          
        Mysterious Symbols Spotted in Remote Desert by ISS Camera
A camera onboard the International Space Station (ISS) recently caught sight of curious markings stretching across the Tunisian desert — symbols so distinct that they resemble writing carved into the sand.
 
       
       
       
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
           
          