What are the elements of orientalism in the film Lawrence of Arabia directed by David Lean?

Despite
the meticulous craftsmanship that went
into David Lean's Lawrence of
Arabia, much of the film
is dated and portrays typically stereotyped and
"orientalist" attitudes about
"the East" and the Arab world.

Much of the detail of the
film is unrealistic, showing Lawrence (Peter O'Toole), though
a flawed
person, as also in some ways a nearly superhuman character, riding through the
desert
without a pith helmet, evidently because Lean wished to emphasize his
courage and his blondness.
The sudden ways in which Lawrence arrives at his
inspirations on how to defeat the Turks are
also a bit hard to
take.

Apart from Omar Sharif as Sherif Ali, nearly all of

the major roles are played by western actors. Regardless of the historical veracity of
much of
the script, the impression one gets from watching the film is that a
European was required to
lead the "easterners." Other epic films from the
same period (the 1960s) show a
similar approach, such as
Khartoum , starring Charlton Heston as

General...