ニューヨーク・タイムズのインスタグラム(nytimes) - 2月14日 13時08分

Millions of years ago in what is now Cambodia, a cluster of coral reefs stood firm as water receded. The reefs were left surrounded by the marshy, mangrove-studded Mekong Delta. Over time, they were carved by the wind and rain into spiky limestone cliffs known as karsts. Now, they’re full of nooks and crannies that have nurtured plants and animals found nowhere else in the world. The limestone karsts can act as “arks” of #biodiversity that replenish surrounding areas after ecological damage. But they’re so complex that, once destroyed, they can never themselves be recreated. And they’re in danger. Before local companies quarry the karsts to make cement, scientists are racing to document rare plant life there. They want to study the ways in which different parts of the habitat work together. And ultimately, they hope to persuade the government to make 2 karsts a protected area. @omarhavana took this photo of a lake that formed at the bottom of one of the karsts. Visit the link in our profile to see more photos.

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