Blinking Edges on objects

I am making buildings and roads on Blender, and import them to unity to my game.
But when the camera is moving the edges of objects blink, especially from distance.
What can it be?
Here is a video:

Edit: I downloaded few buildings from the store, and it’s still happening, meaning it’s not my models, but it’s probably something in my unity project settings, but what can it be?

Having 3d model objects in this low polygon quality and no post processing in your sene, this is normal behavior.
Try to add more details to your objects (like bevel on edges), more details to your textures, and add some post processing, like fog, flares, rim light etc. to “blur” the sharp edges on your models.

Try disable anti-aliasing in edit->project settings->quality.