Cities of Coral (NOVA): One of the most crowded cities on this planet isnt a city at all. The Caribbean coral reef is a beautiful and chaotic metropolis teeming with life, where hundreds of different species of fish vie for survival. Its often hard to distinguish the... (more details for Cities of Coral (NOVA))

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File by Susan Enders (#2079)
2012-05-21 Grade: 6-8