joe daniels president of the memorial and museum. >> abby ross was best friends with stacey sanders sher father and best friend in the world. when abby ross comes here on the 10th anniversary, to remember the people that she loved, she will see these two names, her father and her best friend, together forever. >> memorial received more than 1200 adjacent requests. >> we were able to meet all of those requests which gives meaning to the memorial. >> first reponders are grouped by units. >> these first reponders went up the stairs to save people. i think this memorial reflects the special role and place in our hearts that those first reponders occupy. >> every name is almost like an island on to itself. you get a sense of the autonomy of each name and also the linked connection between one name and another. a continuous river of flames -- river of names which flows around each pool. >> that is probably 28 foot tall. >> to support peace and solidarity, 400 trees will be planted to symbolize rebirth and life where there was so much loss and death. >> this is a nursery of the most cared for

joe daniels president of the memorial and museum. >> abby ross was best friends with stacey sanders sher father and best friend in the world. when abby ross comes here on the 10th anniversary, to remember the people that she loved, she will see these two names, her father and her best friend, together forever. >> memorial received more than 1200 adjacent requests. >> we were able to meet all of those requests which gives meaning to the memorial. >> first reponders are grouped by units. >> these first reponders went up the stairs to save people. i think this memorial reflects the special role and place in our hearts that those first reponders occupy. >> every name is almost like an island on to itself. you get a sense of the autonomy of each name and also the linked connection between one name and another. a continuous river of flames -- river of names which flows around each pool. >> that is probably 28 foot tall. >> to support peace and solidarity, 400 trees will be planted to symbolize rebirth and life where there was so much loss and death. >> this is a nursery of the most cared for

their families requested it, the daughter of richard barry ross asked that he and her best friend stacey sanderse next to each other. >> ♪ so close your eyes. you can close your eyes, it's all right. >> nearly 3,000 children lost a parent on 9/11. >> dad, i wish you were here with me to give me advice. >> patricia smith was a toddler when she lost her mother, mora, a police officer. >> smith helped people escape the towers until she died in the collapse. >> mom, i am proud to be your daughter, you will always be my hero and a proud of new york city. >> there was silence to mark the moments when the towers fell, the south tower. >> and the north. >> [bell ringing] >> a time to weep, and a time to laugh, a time to mourn, and a time to dance. >> a time to remember and to look forward. >> today we honor her by letting go of the sadness over losing her and embracing the joy of having known her. >> as we just saw, presidents obama and bush are both front and center in the tributes. >> o'donnell is in washington and has more on the weekend of remembrance. >> nora, good evening. >> good evening, russ, a

. >> stacey leigh sanders. >> herman s. sandler. >> james sands, jr. >> and my mother. you are truly mess. you left behind some wonderful grandkids. may god bless america and all those who serve to protect her. >> and my son-in-law. we will miss you forever and you are now with god. >> ayleen j. santiago. >> kirsten santiago. >> maria theresa santillan. >> susan gayle santo. >> christopher santora. >> john a. santore. >> mario l. santoro. >> rafael humberto santos. >> rufino conrado flores santos iii. >> jorge octavio santos anaya. >> kalyan sarkar. >> chapelle r. sarker. >> paul f. sarle. >> deepika kumar sattaluri. >> gregory thomas saucedo. >> susan m. sauer. >> anthony savas. >> and my uncle. we are doing great. you'd be so proud of them. will never be the same without you. >> mike all some brother. your humor and audacity guidance every day of our lives. may god what all the tears from all of our faces. >> vladimir savinkin. >> jackie sayegh. >> john michael sbarbaro. >> robert l. scandole, jr. >> michelle scarpitta. >> dennis scauso. >> john albert schardt. >> joh