Perdidos no Deserto

i remember seeing this movie as a young boy more than 30 years ago, it was part of a double bill , i don't recall what the main feature was and i think that is testament to just how memorable this movie is. the images of the young boy believing he has eaten his dog , and his father dropping thousands of leaflets to try and help him, have stayed in my mind for all this time.there was also a scene where he crossed from one desert to another , made visible by the different coloured sand, also the ostrich egg scene which i vividly remember.

i really can't believe that so many people were moved by this film in the same way that i was . it amazes me that this film has never shown up on British television , or been released on video/DVD.