The air force pilots are heard expressing amazement on the tape.
A frame-by-frame analysis shows 16 UFOs, according to the
Televisa said the film was taken with an infrared camera and
there are no alterations.
``It is one of the most important film documents we have been
able to access, especially because it comes from an official
source,'' said Jaime Mausan, a journalist who has been tracking the
UFO phenomenon for more than 25 years.
The daily La Jornada on Tuesday however dismissed the
brouhaha as nothing more than "circus".
On January 31, two Mexican air force photographers said they
videotaped what they believed were eight UFOs that overflew Mexico
City and the city's international airport for several hours.