tonya paige took a tour of his official archive to see how his memory will live on. >> this year the- >> the center of memory is full of the predictable but also the strange and unusual. >> if you look at this right here, it is from arnold schwarzenegger. >> it's arnold and mad da. >> it was another gift begin to madiba. >> he's behind her. >> he's behind her, yes. >> who that? >> that's oprah winfrey. >> as well as being a historical record of nelson mandela's life, it's a play to cut through the mythology. his most personality docume -- personal documents are in the vault. >> this is his mother's death certificate. his mother died in 1968. this is where he wanted to bury her, but he wasn't allowed. >> there are private letters with winnie and journal entries to details an argument with his current wife. >> is this sense of carrying a burden in relation to the saintly image. he became the face of the struggle, but i think as he's grown older felt very uncomfortable with this. >> that is madiba's office since 2002. he used to come in here almost every day, and then as he really retir