China's Olympic venues now
One simple question has defeated most Olympic hosts: what do you do with your collection of expensive and entirely empty stadiums once the Games are over?
Beijing believes it's come up with an answer: let everyone come in and have a good nose around.
At Beijing's Olympic venues, it is forever 2008. For $12 you can buy a ticket into Beijing's Olympic stadiums and relive some of last year's glories.
At the Water Cube, lines of tourists queue up for ice cream and popcorn. They stream into the main arena, the swimming pool, take their seats and get out their cameras. The trouble is there's nothing much for them to see. The Olympic swimming pool is full of water but there's no-one actually swimming in it.
The lack of anything to watch - apart from a pool of extremely still water - doesn't seem to bother any of the visitors. One woman, Fan Dongyan, poses in front of the pool with her hands above her head like a diver. She's on her way back home from a trip to Sydney. She's stopped off in Beijing specially to see the Olympic venues.
"I think China's Olympic stadiums are great," she says, "They're magnificent buildings. In Sydney I saw their Olympic stadium from the car. I think there is no comparison to China's stadiums."
The Bird's Nest athletics stadium next to the Water Cube has now become a kind of national cathedral - a Chinese Notre Dame or Westminster Abbey. The owners have decided that it mustn't be desecrated by allowing any of Beijing's not particularly good football teams to play their home games here.
So, for now, around 20,000 people every day buy tickets simply to get the chance to walk around an empty, albeit holy, stadium.
"It's a little weird to pay money to come into the stadium when there's nothing happening," says Mark Peterson, an American tourist from Idaho.
There is one thing you can do inside the stadium. In case you've managed to go through your entire life without winning an Olympic gold medal, you can pay to have your own medal ceremony on a podium set up on the pitch.
In a few months' time, the stadium's owners plan to start staging occasional concerts - and even an opera. If tourists keep coming, the stadium's investors say they'll get their money back in about 10 years' time.
"Of course we are working hard towards the goal of getting customers to come to the stadium over and over again," says Zhang Hengli, from the CITIC Consortium Stadium Operation Company, "But China has such a big population. I don't need all 1.3bn people to visit. But if only one billion people come just once, I think I can recover my investment costs."
For now, coming to the Beijing Olympic stadium is almost a patriotic duty - a pilgrimage to the symbol of this country's resurrection as a great power. The Olympics may now be on their way to London. But many here in Beijing still want to relive the glories of 2008.