Symbolfotos der Design-Vorschau - alle CC0/Public Domain via openverse.org:

b1.jpg <= b1-3: cc0 | https://www.flickr.com/photos/135396164@N05/32811788343
b2.jpg <= b2-1: cc0 | https://www.rawpixel.com/image/5905079/photo-image-background-design-public-domain
ba1.jpg <= ba1-1: cc0 | https://www.flickr.com/photos/89918055@N05/54594198528
ba2.jpg <= ba2-7: cc0 | nationalgalleryofart | https://www.rawpixel.com/image/3391641/free-illustration-image-antique-armchair-art
e1.jpg <= e1-8: cc0 | Dennis S. Hurd | https://www.flickr.com/photos/43296902@N00/6302490401
e2.jpg <= e2-2: cc0 | https://www.flickr.com/photos/135396164@N05/23745702205
f1.jpg <= f1-3: cc0 | https://www.flickr.com/photos/96425387@N00/3548283600
f2.jpg <= f2-5: cc0 | ? | https://www.rawpixel.com/image/3293167/free-photo-image-bicycle-bicyvle-bike
f3.jpg <= f3-5: cc0 | ? | https://www.rawpixel.com/image/9677729/image-face-hand-person
h1.jpg <= h1-1: cc0 | https://stocksnap.io/photo/teacup-saucer-PSIN6IIQTI
h2.jpg <= h2-2: cc0 | Wonderlane | https://www.flickr.com/photos/71401718@N00/6231887789
k1.jpg <= k1-1: cc0 | https://www.flickr.com/photos/135396164@N05/31706107401
k2.jpg <= k2-4: cc0 | Artem Beliaikin | https://www.flickr.com/photos/157635012@N07/49174901528
m1.jpg <= m1-1: cc0 | https://www.rawpixel.com/image/3369095/free-illustration-image-20th-century-almoge-antique
m2.jpg <= m2-1: cc0 | https://www.rawpixel.com/image/5926423/photo-image-public-domain-leaves-plants
m3.jpg <= m3-1: cc0 | https://www.flickr.com/photos/137643065@N06/24300293356
m4.jpg <= b1-1: cc0 | https://www.rawpixel.com/image/3301849/free-photo-image-book-store-pile-books-blog
s1.jpg <= s1-3: cc0 | https://www.flickr.com/photos/94006243@N08/15592840435
s2.jpg <= s2-2: cc0 | https://www.flickr.com/photos/38451115@N04/5124736278