if i do not know any good and it almost seem like it be stag and but it wasn not . it be set up perfectly and and how they get all of that footage be amaze . the unfortunate event of september 11 and 2001 be put together well in this documentary and the classic footage that they get make this an unfortunate classic . just the history in the footage alone should make it a must see for any american or person touch by the tragedy of september 11 .