I wanted to do something a little bit different with my baby-son Nino (10 monthes old on the pic).
Here are the ref. of the pictures I used for the compositing (bought, under CC or public domain) :
Turtle (CC) by https://www.flickr.com/people/99613680@N00
Fishes : (public domain) Flip Schulke, 1930-2008, Photographer (NARA record: 2435383) - U.S. National Archives and Records
Landscape (bought) : © Vitaly Korovin | Dreamstime.com