don't want to participate in speculation. to a certain extent you can understand why both germanwings and lufthansa are keen not to add to any of the speculation or fuel anything before they have the verified facts in front them they can present to the grieving families of so many victims from 18 countries across the world. i want to move out of the way and show you just about ten minutes ago, there was a moment of silence held here in front of the joseph koenig gymnasium school where 16 exchange students and two teachers were lost. the children filed out of the school before 10:53, the moment when the plane lost contact with the radar and came down. they've been standing here very very solemn moment for quite a long time now, much longer in fact than one minute. the headmaster spoke to them about their grief. they have of course been counseled by psychologists, trauma counselors but we've witnessed a painful moment here