Members of the real Penan tribe were cast and locations used where the the actual events happened.
With a budget of over 6 mill. US dollars this feature is among the most expensive Swiss film productions ever made.
Nearly 10 years in development until it could finally be realized, by an uncanny coincidence the subject matter of protecting the rainforests became suddenly world news again, because of massive fires and slash-and-burn agriculture in Brazil. [Aug. 2019]