has completely transformed an iconic location – seen as immutable and unchanging, with its goldplated panel and grand volume. By adding a virtual layer to it, we could digitally rebuild it, playing with the architectural elements, and therefore changing the notion of something static. The technology made the integration between animation and architecture. We used projectors to 'paint with light' the UN General Assembly’s Hall – a unique opportunity to transform such an emblematic place." Live performance and synopsis On August 10, 2012, Beyoncé appeared at the Assembly for the rehearsals prior to the performance. Julia Stiles, The-Dream and Diane Warren were the celebrities who attended the performance. Prior to the performing the song, Beyoncé met with United Nations leader Ban Ki-moon. Deputy Secretary-General of the United Nations Jan Eliasson, announced Beyoncé's performance giving a short introduction about the singer: "Tonight [she] brings more than her stunning talents; she brings inspiration to help another person, to help another human being". He further recalled a "dark day in the history of the U.N." when 22 humanitarian workers lost their lives in a terrorist attack in Iraq on August 19, 2003 adding that the event and the World Humanitarian Day both honor those lost lives and encourage others to join the effort. He further interviewed guests whose relatives lost their lives in the accident. Under-Secretary-General for Humanitarian Affairs and Emergency Relief Coordinator Valerie Amos also appeared encouraging everyone to log on to the website WHD-IWasHere.org by August 19 and commit to doing one good act to help someone in need further saying, "I told Beyoncé: It's great that we have her, because she can reach millions of people. I could spend the rest of my life doing what I do, and I wouldn't reach a 10th of that number. And she said: 'Don't sell yourself short.'. Beyoncé appeared on stage wearing a floor-length white gown with micro-sequins from designer Marc Bouwer's pre-fall collection while her hair was pulled back in a sleek ponytail. She performed on a high-rise stage with a big screen spanning from ceiling to floor behind her. As she sang, the screen filled with images of U.N. aid workers on the scene in various wars, famines, and floods around the world. Following the performance, she announced, "I'd like to ask everyone to make sure they're a part of August 19th... It's such a beautiful, beautiful day, and I'd like