Environment - Cook Islands Featuring algae making sand called "Halimeda". Photo taken from the Cook Islands. SL173/10 SEPTEMBER 8, 2023 BY ANONYMOUS Download PDF (2MB) PEIN Date Created Tue, 10/06/2015 - 18:18 PEIN Date Modified Wed, 08/01/2018 - 18:44 PEIN Notes Slide 10 of 80 Record id 76954 Publication Date 1986