One is ''out of the frying pan into the fire.'', or ''out of the cauldron into the fire.''
True, you want them to understand you as easily as possible and they will not know slang, etc. if they speak little english
Answer:
The story aims to promote the beauty of African and its people. It describes the traveling experience that they had while crossing the desert, helping readers to understand how it is to walk through the desert for the people. It might be challenging and dangerous, but also beautiful and unforgettable.