When asked why it had been so difficult to keep the expo clean, given the international scrutiny the event was always going to be subject to, he adds: "I think the people involved thought that it was going to be like a normal public Italian work.
For the 2010 Shanghai Expo he gave visitors a sense of sustainable life in Copenhagen by moving the city's most famous landmark, the Little Mermaid statue, to China, complete with her own pool of water from the city's harbour.
"In the charity Dungeon Crawler I wrote and showed at the Eurogamer Expo, everyone gave positive feedback, but about 10-15% of people simply took the helmet off at a large lava chasm and went, 'Wow, that's brilliant, but I simply can't continue – it's too scary'.
As with Beijing's Olympic logo, the Shanghai Expo is giving its emblem some Chinese flavor.
Apparently the folks at MacWorld Expo are giving our man on the floor, Raj, a hard time.
The game was first shown publicly at the 2009 Eurogamer Expo, which gave Cavanagh the opportunity to collect feedback from players.
Soon after, Expo officials reminded the media that Shanghai's 20 million residents would each be given a free one-day Expo pass.
The turning point, he said, was that Expo 88. "It gave the locals a taste of what the city could be like.
Decided to set it against background of Belgium's world fair, Expo 58, which gave him a chance to look at the state of the world, while playing with the fact that "everything is so fake".
At one point, she told the press that she had given it to Expo.
