Oceans

The Great Blue Hole

This entry is part 2 of 3 in the series Blue Holes Theme Week

2025 Version Original Version The Great Blue Hole The Mesoamerican Barrier Reef System, stretching from the tip of the Yucatan Peninsula to Honduras, is the world’s second-largest, after Australia’s Great Barrier Reef. A 190-mile (300-kilometer) section eponymously takes the name of the nation whose coast it lines. Tourists and diving enthusiasts come from around the

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