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widest waterfalls in the world one and a half miles across. In flood 13 million litres of water spill over every second. All the world' s great broad waterfalls: Victoria, Niagara and here, Iguassu, are only found in the lower courses of their rivers. In their final stages rivers broaden and flow wearily across their flat flood plains. Each wet season here, in Brazil, the Parana river overflows its banks and floods an area the size of England. The Pantanal the world' s largest wetland. In these slowflowing waters aquatic plants flourish like the Victoria giant water lily with leaves two metres across. |
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wèi yú bā xī hé ā gēn tíng zhī jiān de yī guā sū pù bù, shì shì jiè shang zuì kuān de pù bù zhī yī, kuān dá 2400 duō mǐ. hóng shuǐ jì jié tā de měi miǎo liú liàng dá dào 1. 3 wàn lì fāng mǐ. shì jiè shang suǒ yǒu de dà pù bù, wéi duō lì yà pù bù, ní yà jiā lā pù bù hé zhè zuò yī guā sū pù bù, dōu wèi yú hé liú de xià yóu. zài hé liú de zuì zhōng jiē duàn, hé miàn biàn de kuān kuò, tā men huì huǎn huǎn liú guò píng tǎn de hóng fàn qū. bā xī měi nián de yǔ jì, hóng shuǐ dōu huì màn guò bā lā nà hé de dī, yān mò miàn jī xiāng dāng yú yīng guó dà xiǎo de dì qū. pān tǎ nà ěr zhǎo zé dì shì shì jiè shang miàn jī zuì dà de shī dì. zài zhèi xiē shuǐ liú shū huǎn de shuǐ yù, shuǐ shēng zhí wù yì cháng mào shèng, bǐ rú zhè zhǒng wéi duō lì yà wáng lián, tā yè zi de zhí jìng kě dá 2 mǐ. |