It was suggested the number installed only reached 15 percent .
Rio commercial officer Renato Ciuchini was asked why there was so little signage - signs that give the games it distinct look and help direct fans to venues .
Rio was suggested the number installed only reached 15 percent .
Rio commercial officer Renato Ciuchini was asked why there was so little signage - signs that give the games it distinct look and help direct fans to venues .