10 World Expo inventions

The phonograph

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If Dubai wins bid to host the World Expo 2020, it will be the first time the event has been held in the Middle East. Since the first ever World Expo was held London in 1851, millions of visitors have had the chance to marvel at the world's latest technologies and innovations, and connect to the global community. We take a look at ten mind-blowing inventions that were introduced to the public during a World Expo.

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