They live underground and harvested humans. The humans has gotten dumbed down over the years and were treated like cattle .. to be eaten by the Morlocks.
My most favorite movie ever!!!
I love this one, 1960.
https://cdn.purple.fr/6ae1103cb369c9b48fd09c2679ec2f12/static.purple.fr/2015/07/the-time-machine.jpg/1200x660c/the-time-machine.jpg
WIll do thanks!