Otter-Illustration
Image by brgfx on Freepik
https://www.freepik.com/free-vector/cute-otter-catching-fish-while-floating_23722855.htm#query=otter&position=3&from_view=keyword&track=sph&uuid=615c3fc6-f006-4a30-b6d9-601606735c93
 
Deflin-Illustration 
Image by pikisuperstar on Freepik
https://www.freepik.com/free-vector/hand-drawn-dolphin-cartoon-illustration_49429180.htm#query=dolphin&from_query=dolfin&position=4&from_view=search&track=sph&uuid=5e0220a2-741c-4fba-af82-28f8c884b539

Schildkröte-Illustration 
Image by catalyststuff on Freepik
https://www.freepik.com/free-vector/cute-turtle-swimming-cartoon-vector-icon-illustration-animal-nature-icon-concept-isolated-premium_34733120.htm#query=turtle&position=15&from_view=search&track=sph&uuid=6e6900af-0a7a-4570-814f-aeadf82a0594
 
Handtuch-Illustration
Image by brgfx on Freepik
www.freepik.com/free-vector/isolated-towel-radiator-white-background_23722497.htm#query=towel&position=6&from_view=keyword&track=sph&uuid=dd946b40-d4e1-45bb-9e05-92d223c67d81
 
Badesachen-Illustration
Image by pch.vector on Freepik
www.freepik.com/free-vector/swimsuits-children-vector-illustrations-set-collection-cartoon-drawings-swimming-clothes-swimwear-babies-kids-isolated-white-background-summer-fashion-childhood-concept_29119389.htm#fromView=search&term=swim+suit&page=1&position=3&track=ais&regularType=vector&uuid=98812868-9752-440b-ab3b-f1c4e647a347
 
Flip Flops-Illustration
Image by pch.vector on Freepik
https://www.freepik.com/free-vector/different-colorful-flip-flops-flat-vector-illustrations-set-rubber-slippers-with-different-graphic-patterns-walking-street-beach-white-background-footwear-shoes-summer-concept_26921643.htm#query=flip%20flops%20illustration&position=19&from_view=search&track=ais&uuid=35a126d7-d3ab-41c7-a8e1-8d771ec97b62
 
Badekappe-Illustration
https://www.flaticon.com/free-icons/swimming" title="swimming icons
 
Duschsachen-Illustration
Image by catalyststuff on Freepik
https://www.freepik.com/free-vector/floating-bar-soap-liquid-soap-cartoon-vector-icon-illustration-healthcare-object-icon-concept_25726204.htm#query=shower%20bottle%20illustration&position=35&from_view=search&track=ais&uuid=d23c64d0-f961-49c2-bd1f-5a1c09f165fb

Wasser Aerobics-Illustration
Image by macrovector on Freepik
https://www.freepik.com/free-vector/water-aerobics-class-women-group-during-exercises-with-equipment-pool-isometric-illustration_6852130.htm#query=aqua%20aerobics&position=4&from_view=keyword&track=ais&uuid=590743be-ce0b-4228-8392-f4d4230a8c8b">Image by macrovecto

Cover Image - Kinder am Strandhttps://www.freepik.com/free-ai-image/kids-having-fun-beach_94938577.htm#query=kids%20playing%20in%20water&position=3&from_view=keyword&track=ais_hybrid&uuid=c0f72f5f-969d-4427-9b71-42ff146d6ae5