
https://www.auswaertiges-amt.de/blob/2608578/810fdade376b1467f20bdb697b2acd58/china-strategie-data.pdf

https://www.scmp.com/news/china/article/3226144/why-reports-chinese-spy-base-cuba-are-met-shrugs-latin-america-where-us-influence-waning

https://www.eda.admin.ch/dam/dea/fr/documents/folien/Folien-Abkommen_fr.pdf