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Hello nvgfhjkvgfh,
It is a very cool post!

Could I ask you for a favour, please.
Could you, please provide precise sources of the pictures?
It is customary on Steemit for users to provide exact credits for their post pictures.

And welcome to Steemit!
All the best,
-logic

Thanks, but these were all taken from Pixabay, they are downloaded with CC0 Public Domain license, Free for commercial use
No attribution required

Hey, you are right about that. In the end it is up to you. Steemit does not force anyone to do so, although steemcleanaers guide specifically says:

"steemcleaners would like to see all images that are not original cited. Even if it is just with Public Domain, CC0 or a link to where you found the image.
There are literally millions of high-resolution photo’s available on sites like pixabay.com that are CC0 or public domain."

Interesting
I will follow you to see your future posts!