The trees formed such a dense canopy that all beneath was a deep carpet of pine needles.

这些树形成了浓密的冠盖，下面是一层厚厚的松针。

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Overhead, orange-billed toucans fly past, while troops of capuchin monkeys chatter nosily in the dense canopy.

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Then it will shoot skyward, its dense canopy blocking out the sun.

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But despite the cacophony of animal sounds coming from below, the canopy is dense and the view stretches for such a distance that visitors may spend a couple of hours on the walkway and see very little.

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