Ancient Art, Volcanos National Park - Hawaii<br /> <br /> The petroglyphs at Puu Loa were created centuries ago -  abstract designs, human figures, and thousands of carved round pockets (or cupules) that were used as receptacles for umbilical cords. Placing a baby's umbilical cord inside a cupule and covering it with stones was meant to bestow health and longevity to the child.
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