https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14010676![Fossilised organic remains in two stones. Coloured lithograph.](https://images.rawpixel.com/image_social_square/cHJpdmF0ZS9zdGF0aWMvZmlsZXMvd2Vic2l0ZS8yMDI0LTAyL3djdTQybnQ0cngtaW1hZ2UuanBn.jpg)
![Fossilised organic remains in two stones. Coloured lithograph.](https://images.rawpixel.com/image_social_square/cHJpdmF0ZS9zdGF0aWMvZmlsZXMvd2Vic2l0ZS8yMDI0LTAyL3djdTQybnQ0cngtaW1hZ2UuanBn.jpg)
Fossilised organic remains in two stones. Coloured lithograph.
Fossilised organic remains in two stones. Coloured lithograph.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use