航线的大部分地区是雷达盲区，巴西的空军上校亨利·穆尼奥斯告诉环球电视台。

Much of the route is out of radar contact, Brazilian air force Col. Henry Munhoz told TV Globo.

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据已50多岁的飞行员张博介绍，此次环球飞行将途经50多个站点，古丝绸之路也是本次航线的一部分。

According to pilot Zhang Bo, who is in his fifties, there will be around 50 stops, and will follow part of the Ancient Silk Road trade route.

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