child porn on tumblr

I wanna rant real quick about there being child porn on Tumblr. Just blatant fucking child porn. With THOUSANDS of likes. I came across this when I saw a girl tag "tween" on one of their posts. I was curious as to what would pop up when I tapped "tween". I was expecting some cringy Logan Paul fan girls/boys raving about the Paul brothers. Instead, nothing but fucking child porn came up. I don't want to describe the shit I saw, but it freaked me out. And the fact that it had around 3,000 likes on some posts was fucking insane. I went on one of the blogs and tried to figure out a way to report it and saw that they hit 12k followers. LIKE WTF. 12k people decided to follow this child porn page. The only option I have is to block these child porn pages, not able to report them. Idk, might be doing something wrong here but I don't see an option to report. Please takes these pages down Tumblr.