The black stripes, However, are produced by a skinny biological crust composed of cyanobacteria. These cyanobacteria are photosynthetic microorganisms that colonize the floor in the sandstone. This region continues to be identified to regional 1st Nations peoples for millennia, and was only “uncovered” by outsiders while in the early eighties https://augustinew517qqp2.daneblogger.com/profile