Expo opens in South Korea with robots, ocean theme
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The Big O, a water screen that is a landmark of the Expo 2012, is seen during a media day of the expo, in Yeosu, South Korea, Wednesday, May 9, 2012.
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The Big O, a water screen that is a landmark of the Yeosu Expo, is seen during the opening ceremony of the EXPO 2012 Yeosu in Yeosu, South Korea, Friday, May 11, 2012. (AP Photo/Ahn Young-joon)
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Visitors walk through the main gate on the opening day of the 2012 Yeosu Expo in Yeosu, South Korea, Saturday, May 12, 2012. (AP Photo/Ahn Young-joon)
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Fireworks light the sky during a ceremony on the eve of the Expo 2012 in Yeosu, South Korea, Friday, May 11, 2012. The expo will open for three months on May 12 under the theme of "The Living Ocean and Coast: Diversity of Resources and Sustainable Activities." (AP Photo/Ahn Young-joon)
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Entertainers from Thailand perform during the opening ceremony of Thailand Pavilion on the opening day of the 2012 Yeosu Expo in Yeosu, South Korea, Saturday, May 12, 2012. (AP Photo/Ahn Young-joon)
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U.S. President Barack Obama delivers a speech through a screen to visitors during the opening ceremony of United States Pavilion in 2012 Yeosu EXPO in Yeosu, South Korea, Saturday, May 12, 2012. (AP Photo/Ahn Young-joon).
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Spectators visit an aquarium on the opening day of the 2012 Yeosu Expo in Yeosu, South Korea, Saturday, May 12, 2012. (AP Photo/Ahn Young-joon)
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Robots perform at Marine Robot pavilion on the opening day of the 2012 Yeosu Expo in Yeosu, South Korea, Saturday, May 12, 2012. (AP Photo/Ahn Young-joon)
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Fireworks light the sky during a ceremony on the eve of the Expo 2012 in Yeosu, South Korea, Friday, May 11, 2012. The expo will open for three months on May 12 under the theme of "The Living Ocean and Coast: Diversity of Resources and Sustainable Activities." (AP Photo/Ahn Young-joon)
YEOSU, South Korea >> Expo 2012 has opened in South Korea’s coastal city of Yeosu for a three-month run.
Organizers say the fair, which kicked off Saturday, has the largest number of robots in the history of expos. Attractions include a robot fish that explores underwater resources in an environment-friendly way.
Organizers say about 33,000 tickets were sold for the opening day. More than 100 countries are participating in the expo to display their technology, culture and products.
Yeosu is a port city 185 miles south of Seoul. It has built a gigantic structure in the water to display colorful hologram images and promote the expo.
