Public domain photos

The image shows a close up of a coral on a table next to a ruler, with a piece of paper with some text on it placed on the surface. The coral is a vibrant green color, and the ruler is a standard measuring tool used to measure the size of the coral.

The image shows a close up of a coral on a table next to a ruler, with a piece of paper with some text on it placed on the surface. The coral is a vibrant green color, and the ruler is a standard measuring tool used to measure the size of the coral.Open in library