National Geographic : 1921 Dec
Photograph by J.W. Beattie CATCHING RAIN-WATER FROM COCO-PALMS Fresh water is scarce on the guano islands and must be provided by catchment areas for rain-water. When acoconut tree has agood bend in it, the natives wedge the butt end of a cocoanut leaf into the knee, which collects and diverts rain-water into areceptacle. Galvanized-iron tanks and concrete cisterns are also provided for storage.