#NHKworldJapan The dream of perfect sound resonates at Osaka ExpoーNHK WORLD-JAPAN NEWS

The dream of perfect sound resonates at Osaka ExpoーNHK WORLD-JAPAN NEWS
Visitors to the Osaka Expo are being wowed by the music accompanying the nightly drone show. It’s the product of a 50-year search for “the perfect sound.” #japan #business #technology #expo

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