The BBC asked Facebook why it couldn't use its facial recognition technology to assist the hunt for Lucy. It responded: "To protect user privacy, it's important that we follow the appropriate legal process, but we work to support law enforcement as much as we can."
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16:16, 3 марта 2026Путешествия
（本报记者李亚楠、徐靖、胡婧怡参与采写）