By building artificial reefs from discarded ships and concrete blocks, one nation has recreated entire marine ecosystems from scratch
On the sonar screen in the tiny cabin, shapes appear where the chart insists there’s only sand. Outside, the sea looks empty, flat, indifferent. But 20 meters below, an entire city is waking up. A dive team rolls backward into the water, bubbles fizzing to the surface. Their beams of light slice through the blue … Read more