A lagoon is pictured on April 11, 2021, outside the Hadibo, the main city on the Yemeni island of Socotra. - The archipelago's remote location helped it forge its astonishing nature millennia ago - a third of the main island's plants are unique, from bulbous bottle and cucumber trees to alien aloes. But the 130 Km (80 mile) long island also oversees busy global shipping lanes at the crossroads between Africa and the Arabian Peninsula. (Photo by Peter MARTELL / AFP)