Bester said:
I’m trying to recall a behind-the-scenes featurette, which showed Lucas on location in Tunisia during the filming of Ep2. I seem to remember him saying that, instead of coming back to the same location 2-3 years later, he would shoot the final scene of Ep3 there and then.
I think that was on the beginning of the last VHS letterbox copy on the 1997 SE ANH