Probably one of the most self indulgent pieces of garbage I've seen in a long time. Lena is so unhappy with her life she must cross Africa and seek the adoration of the people of Africa to stroke her fragile ego. It's like she is doing them a favor by being there. It's all about her and making her feel good. Her anger and indignation over the conditions or events she observes such as the turtle farm incident only highlight her ignorance and lack of understanding of the people with whom she would like to believe she has become friends. She and Ulrich have very strong opinions but are incapable of taking any action at all to correct what they believe are injustices in this world. I'm sure they both feel better, but I guess that is what it is all about.
