Layers. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3289054/free-photo-image-dark-background-cement-stone-textureFree Image from public domain licenseOn a rainy day in Providence, Rhode Island. Sourced from the Library of Congress. https://www.rawpixel.com/image/12317899/image-shadow-person-public-domainFree Image from public domain licenseDrone view of the ocean washing on a sand beach shore with rock formations at Pacific City. Original public domain image… https://www.rawpixel.com/image/3287279/free-photo-image-dark-adventure-aerialFree Image from public domain licenseOpalescent Pool, Black Sand Basinby Matt Poyner. Original public domain image from Flickr https://www.rawpixel.com/image/4038817/photo-image-tree-plant-forestFree Image from public domain licenseOriginal public domain image from Wikimedia Commons https://www.rawpixel.com/image/3288659/free-photo-image-azure-sky-basin-best-stone-pictures-imagesFree Image from public domain license[Untitled photo, possibly related to: Children going home from school up Frozen Creek carrying their lunch pails. School is… https://www.rawpixel.com/image/12243422/photo-image-face-plant-personFree Image from public domain licenseColorful bacterial mats at Ear Spring by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4038348/photo-image-nature-mountain-waterFree Image from public domain licenseFrost at Blacktail Pond by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4039111/photo-image-public-domain-cc0Free Image from public domain licenseJones Trailer Camp where army men and construction workers and their families live. They pay two dollars and fifty cents… https://www.rawpixel.com/image/12332794/image-plant-person-spaceFree Image from public domain licenseComoros Sailors participate in visit, board, search and seizure training during Exercise Cutlass Express 2017 in Port Louis… https://www.rawpixel.com/image/3318152/free-photo-image-armored-army-cc0Free Image from public domain licenseBackyard privy, Washington, D.C., near Government Printing Office. Puddle of water in front of privy. Pump on right supplies… https://www.rawpixel.com/image/12308775/image-plant-wood-public-domainFree Image from public domain license[Untitled photo, possibly related to: Backyard privy, Washington, D.C., near Government Printing Office. Puddle of water in… https://www.rawpixel.com/image/12308345/image-plant-person-treeFree Image from public domain licenseAbove, a doctor examines a woman's left eye; below, a man helps another man who has fallen in a muddy puddle. Coloured… https://www.rawpixel.com/image/14004430/image-cartoon-face-personFree Image from public domain licenseNebula plaĝpejzaĝo, kun disaj homoj, malflustajdaj flakoj, kaj sursablaj pneŭspuroj.. Original public domain image from… https://www.rawpixel.com/image/3295378/free-photo-image-aerial-view-beach-images-pictures-cc0Free Image from public domain licenseRustende jachthonden (1820 - 1895) by Gijsbertus Craeyvanger, Gijsbertus Craeyvanger and Desguerrois and Co https://www.rawpixel.com/image/13762346/image-dog-paper-plantFree Image from public domain license[Untitled photo, possibly related to: Mountain people leaving the Primitive Baptist Church in Morehead, Kentucky and going… https://www.rawpixel.com/image/12243433/photo-image-plant-person-roadFree Image from public domain licenseOn a rainy day in Norwich, Connecticut. Sourced from the Library of Congress. https://www.rawpixel.com/image/12317101/image-person-public-domain-womanFree Image from public domain licenseCorps, BPA and tribes celebrate petroglyph relocation to Horsethief Lake, Washington https://www.rawpixel.com/image/4036758/photo-image-public-domain-river-united-statesFree Image from public domain licenseFiguren bij een rivierbedding met bomen (1851) by Jean Alexis Achard https://www.rawpixel.com/image/13777691/figuren-bij-een-rivierbedding-met-bomen-1851-jean-alexis-achardFree Image from public domain license[Untitled photo, possibly related to: Water on highway due to melting snow, Clermont County, Ohio]. Sourced from the Library… https://www.rawpixel.com/image/12318087/image-plant-person-skyFree Image from public domain licenseContaminated Water in Drainage Ditch behind Pittsburg Glass Company. Original public domain image from Flickr https://www.rawpixel.com/image/8803444/photo-image-light-nature-flareFree Image from public domain licenseOpal Pool, Midway Geyser Basinby Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4038463/photo-image-cloud-ocean-natureFree Image from public domain licenseGreytown, Wairarapa, New Zealand, looking towards Wellington (circa 1875) by James Bragge. https://www.rawpixel.com/image/13030418/image-horse-plant-personFree Image from public domain licenseShrubby wetlands with a stream flowing into a river. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3294110/free-photo-image-bay-bog-cc0Free Image from public domain licenseHot Spring in Nalychevo Valley in Kamchatka in Russia. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338712/free-photo-image-basin-cc0-craterFree Image from public domain licenseIn the Plaza, Mishongnovi: The Flute Ceremony by Adam Clark A C Vroman https://www.rawpixel.com/image/14272617/the-plaza-mishongnovi-the-flute-ceremony-adam-clark-vromanFree Image from public domain licenseShack in "Little Oklahoma." Lots 50 x 150, cost one hundred and twenty to two hundred dollars. Bought on hope and sold on… https://www.rawpixel.com/image/12246280/photo-image-cloud-person-skyFree Image from public domain licenseU.S. Sailors scrub the flight deck during a counter measure washdown aboard the Navy's forward-deployed aircraft carrier… https://www.rawpixel.com/image/3318219/free-photo-image-animal-apparel-asphaltFree Image from public domain licenseAbove, a hare is venturing carefully out of the forest on to a clearing with a water puddle, below, the hare's tracks.… https://www.rawpixel.com/image/13991761/image-cat-plant-treeFree Image from public domain licenseSheep wagon at stock water reservoir, Madison County, Montana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12314693/image-cloud-plant-personFree Image from public domain licenseBuildings in the Alfama district, Lisbon, Portugal https://www.rawpixel.com/image/462073/premium-photo-image-portugal-abandon-apartmentView licenseOutside water supply, Washington, D.C. Only source of water supply winter and summer for many houses in slum areas. In some… https://www.rawpixel.com/image/12308484/image-face-person-artFree Image from public domain licenseHanyung, Hupeh province, China. Photograph by John Thomson, ca. 1870. https://www.rawpixel.com/image/13999685/hanyung-hupeh-province-china-photograph-john-thomson-ca-1870Free Image from public domain licenseWorker Checks Temperature of Water Discharged From the Turbines of the P.H. Robinson Generating Plant. the Water Has Been… https://www.rawpixel.com/image/8803160/photo-image-person-nature-waterFree Image from public domain licenseColorful pools of Norris Geyser Basin by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038046/photo-image-tree-plant-natureFree Image from public domain license[Untitled photo, possibly related to: Jones Trailer Camp where army men and construction workers and their families live.… https://www.rawpixel.com/image/12331521/image-plant-person-spaceFree Image from public domain licenseDefense housing project, Newton D. Baker Village, under authority of housing commission of Columbus, Georgia. Construction… https://www.rawpixel.com/image/12333131/image-sky-public-domain-rainsFree Image from public domain licenseOra-Creek by Felice Beato and Baron Raimund von Stillfried https://www.rawpixel.com/image/14326553/ora-creek-felice-beato-and-baron-raimund-von-stillfriedFree Image from public domain license[Untitled photo, possibly related to: Roadside used car display on State Highway 17, in season when migrants come into… https://www.rawpixel.com/image/12246406/photo-image-plant-person-treeFree Image from public domain license[Untitled photo, possibly related to: Water on highway due to melting snow, Clermont County, Ohio]. Sourced from the Library… https://www.rawpixel.com/image/12316824/image-plant-sky-treeFree Image from public domain licenseMud at back door of Sauer farm house. Cavalier County, North Dakota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12334154/image-shadow-person-public-domainFree Image from public domain licenseBeautiful puddle reflection of a small artisan town in Europe.. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3293790/free-photo-image-architecture-building-cc0Free Image from public domain licenseWashing off the plastering trowel in the irrigation ditch, Chamisal, New Mexico by Russell Lee https://www.rawpixel.com/image/12171528/image-person-art-vintageFree Image from public domain licenseContaminated Water in Drainage Ditch behind Pittsburg Glass Co, 06/1972. Original public domain image from Flickr https://www.rawpixel.com/image/8803456/photo-image-plant-light-mountainFree Image from public domain licenseFSA/8b32000/8b32900\8b32979a.tif. Sourced from the Library of Congress. https://www.rawpixel.com/image/12244845/photo-image-person-public-domain-houseFree Image from public domain license[Untitled photo, possibly related to: Backyard privy, Washington, D.C., near Government Printing Office. Puddle of water in… https://www.rawpixel.com/image/12308062/image-plant-person-treeFree Image from public domain license