the posidonia is maybe the most efficient carbon sink in the planet. i remember perfectly my first contact with the posidonia and it was in october of 1992 in this place, and i came here with a sailboat and the first thing i saw is this amazing posidonia seagrass, and i really fell in love, and since then i am completely dedicated to the study, filming and spreading the value of this plant. the water that we see is like this because of the contribution of a plant, a superior plant, posidonia oceanica is not a seaweed, it's not in algae, it is a real plant with roots, leaves, flowers, and this plant that