The main thing as far as sun burning the orchid leaves is the infra-red rays. They do the burning. I am not sure that UV rays do any damage to plants. Of course, that's what causes our skin cancers so its good (for you) that they are blocked.
drdawg (Dr. Kenneth Ramsey)
The reason it's so hard to lose weight when you get up in age is because your body and your fat have become good friends.
