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Above, an ostrich, a water ouzel and a chordate; below, a sprig abd fruit of a styrax tree, a cape hog and a stalactitic… https://www.rawpixel.com/image/13969358/image-paper-cartoon-treeFree Image from public domain license
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Illustratio the 1970s of underwater painting outdoors nature. https://www.rawpixel.com/image/13607558/illustratio-the-1970s-underwater-painting-outdoors-natureView license
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Formations in the "Cave Without a Name," located near Boerne in Kendall County, Texas. https://www.rawpixel.com/image/582669/carol-highsmiths-texas-photographFree Image from public domain license
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Second visit to Putangirua Pinnacles, Maori sites etc ... (14 April 1952) by Leslie Adkin. https://www.rawpixel.com/image/13029485/image-people-pattern-mountainFree Image from public domain license
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Geology: visitors climbing the large stalactites in a cave at Montserrat. Engraving by Legrand after A. de Laborde. https://www.rawpixel.com/image/14004461/image-cartoon-person-artFree Image from public domain license
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Druipsteengrot (c. 1841 - c. 1865) by Petrus Johannes Schotel https://www.rawpixel.com/image/13788373/druipsteengrot-c-1841-1865-petrus-johannes-schotelFree Image from public domain license
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[Untitled photo, possibly related to: Shenandoah National Park, Virginia, Skyline Drive]. Sourced from the Library of… https://www.rawpixel.com/image/12254044/photo-image-person-public-domain-womanFree Image from public domain license
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