Maybe because of things like this:
Your post here
https://steemit.com/photography/@dman57/children-s-camp-eco-avatar-tenerife-in-the-canary-islands-it-s-fun-and-beautiful
is a 100% copy of a 20 days older post of @foreman
https://steemit.com/photography/@foreman/children-s-camp-eco-avatar-tenerife-in-the-canary-islands-it-s-fun-and-beautiful
which you even resteemed, so easy to find.