The UK's largest spy agency, GCHQ, has sent out its annual Christmas card -- with a set of puzzles aimed at inspiring young would-be secret agents.
원문출처 : https://www.cnn.com/2021/12/13/uk/gchq-spy-christmas-card-intl-scli-gbr/index.html
원문출처 : https://www.cnn.com/2021/12/13/uk/gchq-spy-christmas-card-intl-scli-gbr/index.html