Some of the amazing inventions which were first brought to the world at an expo include the telegraph in London in 1851, the typewriter in Philadelphia in 1876, the diesel engine in Paris in 1900, the colour TV in New York in 1964, IMAX film in Osaka in 1970, and wireless trams in Yeosu in 2012.
The most recent expo, which started in 2015, was held in Milan, Italy, under the theme of "Feeding the Planet, Energy for Life". Inventions to come out of it include solar trees and energy saving elevators - something which would be useful in the UAE with all of the high-rise buildings.
Dubai went into rapt celebrations when it was announced that it would host Expo 2020. Celebrations and congratulations were ignited in the UAE where residents were waiting for the outcome of the voting of the 164 nation members entitled to vote. Dubai won by a thumping majority with 116 votes, leaving Yekaterinburg, Russia, with only 47.
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