it has been open since august 22nd, about 1.5 million visitors have come to see this exciting new addition to the mall. >> what are some of the things people say when they walk up and they see the beautiful granite and this amazing image of dr. king. what are some of the words you've heard? >> i heard they're just astonished, i heard they're flabbergasted, they are very happy that finally we have dr. king on the mall. there are different reactions from everybody. some start singing we shall overcome, some blow their horn, others just cry, with the excitement, with the pleasure of knowing that dr. ring is here. >> and it is stunning when you look at the time line, the fraternity, the alphas which he was a member of first brought this to light and said this is what they wanted to do, from getting congressional approval and support and millions raised. it has been a long time coming. >> it has. it has been over 28 years.