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Atlanta’s Hartsfield-Jackson International Airport has once again claimed the title of the busiest airport in the world, according to the Airports Council International’s Preliminary list for last year. Coming in at number two is Dubai, which saw increased usage leading to its higher ranking. The top 10 also includes four other U.S. airports: Dallas-Fort Worth, Denver, Los Angeles, and Chicago O’Hare. This ranking underscores the continued importance and significance of these major transportation hubs in global air travel.