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Amazonas (Brazilian state) - Wikipedia
Amazonas | History, Map, Population, & Facts | Britannica
Amazonas travel - Lonely Planet | Brazil, South America
Amazonas (Brazilian state) - Wikiwand
Must-see attractions Amazonas, The Amazon - Lonely Planet
Amazon Rainforest | Plants, Animals, Climate, & Deforestation
The Amazon Rainforest - National Geographic Society
Amazonas The magical lungs of the earth | Colombia Travel
Amazonas (Brazil) – Travel guide at Wikivoyage
Visit the Ancient Ruins of Peru's Amazonas Region - Travel