Original title: … Più forte ragazzi
A bush-flying duo crash-land in the heart of the Peruvian jungle where an unscrupulous speculator controls a precious emerald source and an entire mining community. Can they right the wrongs, and in the process, manage to make a profit?
IMDb rating: 6.8
Director: Giuseppe Colizzi
Writers: Barbara Alberti, Giuseppe Colizzi
Stars: Terence Hill, Bud Spencer, Reinhard Kolldehoff