When Amazon expanded into South America in 2012, which unusual geographic tribute did they include in their Brazilian headquarters?

Amazon.com has become one of the world's largest retailers, with a global presence that spans continents. But the company's geographic expansion strategy has some interesting historical connections to its namesake. Test your knowledge about how this retail giant has navigated international markets and how its name relates to its global ambitions.

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A miniature replica of the Amazon River that flows through their office atrium
Naming all meeting rooms after indigenous tribes of the Amazon rainforest
Building their headquarters in the shape of the Amazon River delta when viewed from above
Creating an actual rainforest biodome inside their headquarters with species native to the Amazon