article_snippet: Friends of 16 students killed in Tuesday's disaster hugged each other outside a public mourning service in Haltern .
article_snippet: Hundreds of students from the Joseph-Koenig Gymnasium school arrived at a memorials service today .
article_snippet: Photographs, flowers and candles have been left at the new monument, installed by French authorities in front the mountain where the plane crashed in Le Vernet to honour the victims.
article_snippet: Tributes have been left at a new monument, in front the mountain where the plane  crashed in Le Vernet .
article_snippet: French authorities have already installed a large memorial stone at the crash site in the French Alps .
article_snippet: Relatives placed candles featuring photographs of some of the victims at the scene of the crash .
article_snippet: Others put simple passport-style photographs on white roses in a moving tribute .
article_snippet: Relatives and friends have surrounded a new monument to the victims of the disaster with flowers .
article_snippet: Nearby French authorities have erected a monument to allow families to pay tribute to families lost next of kin .