Usually people are jerks about this sort of thing, but so far most of the comments we've seen online have been positive!
If you want to know more about PETA's Tube Ad Takeover, click here.
Oh, and remember when an ad agency did this same thing, but with pictures of cats? That was awesome.
What is Clapham Common tube trying to tell me?? @TfL @peta pic.twitter.com/veEvHJvhju— Joe Foster (@joefoster_) December 30, 2016
What is Clapham Common tube trying to tell me?? @TfL @peta pic.twitter.com/veEvHJvhju