Multilanguage S.E.O.

Hello all,

I have a new client, that has a website in local language and, he wants to expand to new countries. Technical team implemented a local version of the website (other than original) that, changes the language, but does nothing to the URL.
For example is in Italian, you change the language from Italian to German, and nothing happens to the URL. I guess is something with java??.
I`m asking you guys, which way is the best to go for a multilanguage website, to...

Multilanguage S.E.O.

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