National Geographic : 1954 Mar
© National Geographic Society 339 Ektachrome by W. Robert Moore, National Geographic Staff Factory Workers at May Pen Shred Sisal for Rope and Twine Acres of sisal, an agave often mistaken for cactus, grow in south Jamaica. Crushers extract long tough fibers from green spiky leaves. Unraveled by hand, the threads are twisted by machine. ;' * ''1'^l® ? 'i 5 !!