hello @muzi0202, your images are not free images licenced for reuse. please read this post to learn about copyright.
you can join the steemstem community on discord to learn more
All the images used are free and there is no copyright issue, I checked it, you can also visit the source for cross check, hope my post will be considered original and will be considered for the compitition.
All the images used are free and there is no copyright issue, I checked it, you can also visit the source for cross check, hope my post will be considered original and will be considered for the compitition.