Hi everyone. I have just read this article and I thought it could interest you. During world war 2, an entire airplane factory was camouflaged to protect it from japanese attacks. A fake roof covered the factory and fake houses, streets, cars and trees were included. 17 Rare Pics Reveal A Fake Rooftop Town Built To Hide Boeing’s Factory From Japanese Air Strikes
Lockheed-Vega plant in Burbank, California Camouflage California: The Massive Deception of World War II You Have Never Heard of Douglas Aircraft plant in Santa Monica, California Local History: Douglas Aircraft plant camouflaged during World War II
Be a bit gentle. These are new to some folks, so I guess a pass is in order here, While many of us have seen these photos, a newcomer might not be aware of that.
Best was early war Warner Bros Studio which, fearing it would be bombed, had a big arrow on its roof and the words, "Lockeed thataway!" Neither Lockeed nor the War Department were amused and Warner Bros painted over it.