It's easy to be churlish about the Olympic games. I'm sure loads of people are hoping things go wrong, just to prove that the whole thing was a bad idea in the first place.
But I hope the opening ceremony is spectacular and thrilling. If we only ever did things that were sensible and cost effective in pure economic terms, none of the man-made wonders of the world would exist.
The pyramids probably ran way over budget and no doubt were slagged mercilessly by the equivalent of the Mesopotamian Daily Mail. (Don't miss Cleopatra in costume malfunction on page three!)
Yes, the security's a shambles and there's lots of silly things being said about what you can and can't wear to get into the stadium. And sponsorship has definitely soured the sweet taste of sporting competition for many.
But it's a one-off. When you take away the logos and the commercialism, it's still a glorious display of human achievement.