官员称，无人机警报部队暂停后，赫尔辛基机场恢复航班
去年9月，无人机飞越北约领空达到前所未有的规模，促使欧洲各国领导人同意在其边境建立“无人机墙”，数周以来，欧洲一直处于高度戒备状态。
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来源: Euronews
Europe has been on high alert for weeks after drone flyovers into NATO airspace reached an unprecedented scale last September, prompting leaders to agree to develop a "drone wall" along their borders.
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