What’s inside this crater in Madagascar?

What’s inside this crater in Madagascar?

On satellite imagery, we spotted a village inside a strange crater in Madagascar. We set out to learn how it got there. Right in the center of the island nation of Madagascar there’s a strange, almost perfectly circular geological structure. It covers a bigger area than the city of Paris — and at first glance, it looks completely empty. But right in the center of that structure, there’s a single, isolated village: a few dozen houses, some field…