Footprints on sand beach background. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3298401/free-photo-image-beach-png-png-filteringFree Image from public domain licensePraia do Monte Clérigo, Aljezur, Portugal. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3296020/free-photo-image-beach-coast-landscapeFree Image from public domain licenseMacro shot of a fiddler crab on a sand beach at Barra da Lagoa. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3295572/free-photo-image-crab-insect-beach-backgroundFree Image from public domain licensePeople at the sand beach below white houses on a rocky hill in Praia do Monte Clérigo. Original public domain image from… https://www.rawpixel.com/image/3290815/free-photo-image-portugal-low-aircraftFree Image from public domain licensePeople swimming in the ocean, Praia Huntington, California. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3295006/free-photo-image-beach-coastal-landscape-aerial-viewFree Image from public domain licenseSurfers catching waves, sports photography. Free public domain CC0 image. https://www.rawpixel.com/image/6041466/photo-image-background-public-domain-oceanFree Image from public domain license151029-M-WC184-004 PINHEIRO DA CRUZ, PRAIA DA RAPOSA, Portugal – U.S. Marines with the Helicopter Support Team, Landing… https://www.rawpixel.com/image/3315363/free-photo-image-aircraft-armored-armyFree Image from public domain licenseVista na costa no lugar denominado Guaibú [sic] by Marc Ferrez https://www.rawpixel.com/image/14326046/vista-costa-lugar-denominado-guaibu-sic-marc-ferrezFree Image from public domain license