The core value of the expo theme can be interpreted as following: the City, built by people, has been evolving and growing into an organic system.

世博会主题核心思想可以这样理解：城市是人创造的，它不断地演进、演化和成长为一个有机系统。

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Looking like a mini public transportation card, the ticket comes in 5 colors for the 9 categories, featuring the mascot Haibao and the Expo theme, and using 9 anti-forgery technologies.

门票大小犹如迷你版的交通卡，有5种颜色，图案包含世博会吉祥物“海宝”和主题口号，还使用了9种防伪技术。

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Shanghai World Expo Theme Pavilion has very convenient traffic means.

上海世博主题馆交通极为便捷。

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And at Oriente, the exit station for the Expo site, artists from five continents were given their own space to create individual works with a linking maritime theme.

BBC: The story behind Lisbon��s beauty