From cushion stars to the red-lipped batfish, explore the undersea creatures of Cocos Island in photos.
The sycomore fig tree is the center of an entire ecosystem, producing several tons of fruit a year and feeding a greater variety of animals than any other kind of tree in Africa.
In the rainy season, Victoria Falls thunders -- nearly 300,000 gallons of water pass over the edge every second. But in the dry season she is reduced to a whisper.
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