I know what you mean about 'children's pictures'. A month or so ago I went to an exhibition of Astronomical photographs at the Royal Greenwich Observatory (that's photos of an astronomical nature and not just bloody big photos of course ;-) ) One of the pictures' notes said something like 'Youshaf, 10, went into the Saudi Arabian desert every night for 3 months with his 30cms refractor to take a series of photos that he then morphed into this one photo'. Or something like that. You can see them all here (scroll down to the end to see the Young Astronomer of the Year:
https://www.theguardian.com/science/gallery/2017/sep/15/insight-astronomy-photographer-of-the-year-2017-winners-in-pictures