That means winter is coming. Along with them was a lonely trush. It must have lost it's flock, or it's temporarily moving together with the waxwings. Waxwings are so beautiful! And trushes are so fun :)
No, we won't disturbe this new inhabitant of our house. Soon the net will become dusty and it'll start breaking up. Then the spider will move to another place, and we can clean up. Until then we enjoy that masterly piece.