Members of the public line up outside the Lindt Cafe at Martin Place in Sydney ahead of the re-opening on March 20, 2015. (Peter Parks, AFP/Getty Images)
Members of the public and press get a sneak peak in the window ahead of the re-opening of the Lindt Cafe at Martin Place in Sydney. (Peter Parks, AFP/Getty Images)
Plaques hang on the wall in memory of siege victims Katrina Dawson and Tori Johnson ahead of the re-opening of the Lindt Cafe at Martin Place in Sydney. (Peter Parks, AFP/Getty Images)
A cameraman films the plaques in memory of siege victims Katrina Dawson and Tori Johnson ahead of the re-opening of the Lindt Cafe at Martin Place in Sydney. (Peter Parks, AFP/Getty Images)
New South Wales Premier Mike Baird visits ahead of the re-opening of the Lindt Cafe at Martin Place in Sydney. (Peter Parks, AFP/Getty Images)
Chocolatiers work at the Lindt Cafe at Martin Place in Sydney ahead of the re-opening. (Peter Parks, AFP/Getty Images)