Traditional farmers of Guaraná. Maués, Amazonas.
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Conheça a cidade que mais produz guaraná no mundo
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Bio Guarana in Brasilien: Bedrohte Wunderpflanze am Amazonas | Global Ideas
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探索瓜拉纳的力量：巴西带给世界的宝藏
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How 40,000 Tons Of Brazil Nuts Are Collected Deep In The Amazon Rainforest | Big Business
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From Rio to Lima – Transoceânica, the world's longest bus journey (2/5) | DW Documentary
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Organic Guaraná in Brazil: Indigenous peoples show the way | Global Ideas
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How much illegal Amazonian gold is in your phone? | Unreported World
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