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Dr Ski
Dumaguete, Philippines
08/20/2019
04:00 pm

Equipment Details:

Canon EOS M10
45mm, f6. 3 + 26mm macro extension
1/80s, ISO200

Image Details:

Fossilized invertebrae exoskeletons (coral). These are made from calcium carbonate, the same material found in limestone, pearls and eggshells.