Just because you can't see it doesn't mean it isn't there. Rust under paint is still rust. From the article: > A second report in 2014 by Expiris, an expert pa

Just because you can't see it doesn't mean it isn't there. Rust under paint is still rust. From the article: > A second report in 2014 by Expiris, an expert paint company, found the tower had cracks and rusting and only 10% of the newer paint on the tower was adhering to the structure. “Even if the general state of the anti-corrosion protection seems good to the eye, this can be misleading,”