Copying actors about a mirror line?

Yip, after making a copy ( ALT-drag ), just right click on the actor and you have:

304311-mirror.jpg

EDIT: Maybe I misread your question. If you just want to copy the actors of course you can just select them all, ALT-drag them to the other side of the street and then rotate 180…

Hi! Is there a simple way to copy actors about a mirror line in UE4? I have a scene with a plaza. To the right of the plaza there are buildings and the left is empty. I would like for the same buildings to be on the left of the plaza but rotated 180 degrees. Is there a tool that allows to set a mirror line and duplicate actors across it? Thank you!