In the best case they're roaches the size of rats. However, if you have bad luck it could be rats the size of bears. Or maybe even bears the size of dinosaurs. How big is your ceiling again?
The balcony above my balcony is cracked... so is my balcony...=/ whatever, I feel bad for whoever lives on the third floor.
I'd feel bad for yourself instead.... O= If the balcony above you is cracked....what if it falls down? '>_>