Bo Zhang waves to family members and friends after landing at an airport in Chicago, the United States, on June 9, 2019. After flying 68 days and making 50 stops, 57-year-old Bo Zhang completed his second around-the-world flight and landed in Chicago on Sunday morning. (Xinhua/Wang Ping)
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Source: Xinhua| 2019-06-11 15:39:25|Editor: xuxin