View of St. Charles Church and the Polytechnic Institute in Vienna https://www.rawpixel.com/image/9086068/view-st-charles-church-and-the-polytechnic-institute-viennaFree Image from public domain licenseStudies of Slovakian Peasant Wagons with Oxen and Horses by Rudolf von Alt https://www.rawpixel.com/image/8967592/studies-slovakian-peasant-wagons-with-oxen-and-horses-rudolf-von-altFree Image from public domain licenseThe Japanese Salon, Villa Hügel, Hietzing, Vienna by Rudolf von Alt https://www.rawpixel.com/image/9065360/the-japanese-salon-villa-hugel-hietzing-viennaFree Image from public domain license