light way, but not available everywhere: export the chats one by one, as per https://faq.whatsapp.com/android/chats/how-to-save-your-chat...

Saves them as text files, copy them off the phone.

hard way: root the phone, copy the database, decrypt it with https://stackpointer.io/security/decrypt-whatsapp-crypt12-da... and the key on the phone. The decrypted db files are overengineered sqlite databases.

Quality docomentaries and looks on society on Arte.tv, the european culture channel

AFAIK, north americans don't know about its existence. It's available in english.

https://www.arte.tv/en/