https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/7727738![A Study of Pine Trees (c. 1820) by Johann Jakob Dorner the younger.](https://images.rawpixel.com/image_social_square/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDIyLTEwL2Ffc3R1ZHlfb2ZfcGluZV90cmVlc18yMDE2Ljg0LjIuanBn.jpg)
![A Study of Pine Trees (c. 1820) by Johann Jakob Dorner the younger.](https://images.rawpixel.com/image_social_square/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDIyLTEwL2Ffc3R1ZHlfb2ZfcGluZV90cmVlc18yMDE2Ljg0LjIuanBn.jpg)
A Study of Pine Trees (c. 1820) by Johann Jakob Dorner the younger.
A Study of Pine Trees (c. 1820) by Johann Jakob Dorner the younger.
Original public domain image from National Gallery of Art
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