I read it some years ago, too. It's an intriguing task, as the comments in this thread show.
The considered the whole "people will think it is treasure" thing. From memory the solution was to make it an open but unpleasant place to try to avoid people thinking there was something hidden.
One idea that stuck in my mind was black concrete pillars on a black concrete surface, in a hot environment to make it extremely hot and oppressive for anyone to enter.
I read it some years ago, too. It's an intriguing task, as the comments in this thread show.
The considered the whole "people will think it is treasure" thing. From memory the solution was to make it an open but unpleasant place to try to avoid people thinking there was something hidden.
One idea that stuck in my mind was black concrete pillars on a black concrete surface, in a hot environment to make it extremely hot and oppressive for anyone to enter.