Contribution

 *

 *
 
 
 *
  Cell phone   Camera *
 *

 *
 
 
 *
  Cell phone   Camera *
 *

 *
 
 
 *
  Cell phone   Camera *
 *

 *
 
 
 *
  Cell phone   Camera *
 *

 *
 
 
 *
  Cell phone   Camera *
 *

 *
 
 
 *
  Cell phone   Camera *
 *

 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
Notice:Information with * is necessary