In the Washington Post, of all sources. Basically, they describe the techniques used by Syria to conceal their nuclear site*, and make it clear that various nations are becoming increasingly savvy about satellite reconnaissance, and how to conceal large items from this.
They used techniques such as burying power lines in trenches, embedding cooling towers in walls, etc.
It’s a good read.
*Yep, it appears that I was wrong when I ruled this out.