Five planes from five different Airlines.Boeing 737-804 PH-CDF Corendon Airlines - Amsterdam to Zakynthos (40400 ft.)Boeing… https://www.rawpixel.com/image/11101867/image-cloud-sky-planesFree Image from public domain licenseInside Arena pula. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3339263/free-photo-image-amphitheater-amphitheatre-archaeologyFree Image from public domain licenseRomeinse tempel bij Pula (1679) by Jan Luyken and Hendrick en Dirk Boom https://www.rawpixel.com/image/13757046/romeinse-tempel-bij-pula-1679-jan-luyken-and-hendrick-dirk-boomFree Image from public domain licenseRomeinse poort bij de tempel in Pula (1679) by Jan Luyken and Hendrick en Dirk Boom https://www.rawpixel.com/image/13758203/image-paper-cartoon-personFree Image from public domain licenseRestanten van het amfitheater van Pula (1851 - 1920) by anonymous https://www.rawpixel.com/image/13760592/restanten-van-het-amfitheater-van-pula-1851-1920-anonymousFree Image from public domain license