Leaning over the side of a small speedboat, Jhon Cantillo scoops up a thick clump of bright green vegetation, holding it up before gesturing toward the horizon, where the plant spreads across the waters as far as the eye can see.
From above, the plant forms dense, almost carpet-like mats that stretch across the surface. Up close, its long strands extend deep below the water, with roots reaching toward the lagoon bed, making it difficult to remove completely.
