A group of divers found that two caves, Sak Aktun and Dos Ohos, are connected to each other. Together they form the world's largest underwater cave, the length of flooded tunnels is about 347 kilometers, Mexico News Daily reports.
A group of divers found that two caves, Sak Aktun and Dos Ohos, are connected to each other. Together they form the world's largest underwater cave, the length of flooded tunnels is about 347 kilometers, Mexico News Daily reports.
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