Impact
The rooftop sides of our house are pure glass with wooden frame structure. I remember, as a kid, when birds would try to fly in not noticing the glass and ending with a loud thump on our balcony. Depending on the speed and the angle they hit the glass front they ended up in a wide range from broken neck and dead to just dazed. My parents had those stickers of large birds of prey silhouettes on every big window and they helped a lot. About 10 years ago they were coming off and I replaced them with Space Invaders…