a m â n d i o   c o x i t o       

       p h o t o g r a p h y        o p   a r

       
  COLOR INVERSION  
  Starting from a mosaic of squares with the same scale of grays, only is allowed the color inversion in circular or elliptical areas. The tone and other effects are applied at the end.  
 

 

ellipses, 50 grays, green (detail)