Part 3/10:
Further investigation reveals a set of photographs capturing passengers boarding Flight 77 at the airport. The visual evidence appears valid according to the context provided and corroborates claims regarding specific individuals on board. Notably, a group of students on an eco trip, sponsored through a competition by the National Geographic Channel, was present. Their presence lends credence to the idea that Flight 77 had indeed been boarded by passengers, contradicting some theories suggesting the flight never took off.