This illustration, provided by artist Jonas Dahlberg, shows his vision for a "memory wound" near the Norwegian island where dozens of people died during an attack by a right-wing extremist in 2011. Jonas Dahlbert Studio/EPA/Landov hide caption

itoggle caption Jonas Dahlbert Studio/EPA/Landov

People gathered in Oslo today to sing Children of the Rainbow, in a demonstration against the views of killer Anders Behring Breivik. Kyrre Lien/AFP/Getty Images hide caption

itoggle caption Kyrre Lien/AFP/Getty Images