In pictures: UN bomb survivor

"Today we commemorate the sacrifice of 22 colleagues. I especially remember Riham Farra’s excited smile as she introduced herself on arrival just one day earlier; Rick Hooper’s wonderfully familiar Arabic, promising to have a coffee soon; Chris Beekman’s serious responses about the saga of water sanitation; Nadia Yunus’ gruff instructions hiding mischievous eyes and an irrepressible wit; and of course, Sergio Vieira de Mello’s amazing calm, thoughtful patience."