Detail of the underside of a giant Amazon water lily, Amazonas State, Brazil (@ PhotoLink/Getty Images)

Detail of the underside of a giant Amazon water lily, Amazonas State, Brazil (@ PhotoLink/Getty Images)

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• Any idea what this strange sight is?""The world\s largest lily pad
• These plants float so securely that one creature spends its days using them to walk on water.""Who are these miraculous birds?
• You\ll find amazing acts of nature like this everywhere in Brazil\s largest state.""It\s said to possess the greatest biodiversity on the planet
• Short of travelling the globe with a botanist, what\s the best way to learn about unusual plants?""The august narration of Sir David Attenborough