Images, using projection-mapping technology, are beamed on a building of Tokyo Metropolitan Government Office during a countdown event to mark three years until the Tokyo 2020 Summer Olympics in Tokyo, Japan July 24, 2017. (Photo/Agencies)
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Images, using projection-mapping technology, are beamed on a building of Tokyo Metropolitan Government Office during a countdown event to mark three years until the Tokyo 2020 Summer Olympics in Tokyo, Japan July 24, 2017. (Photo/Agencies)
