Is German a useful language to learn?

Speaking German is valuable when traveling to Germany, Austria and Switzerland, but it's too supportive in the border locales of Belgium and France, little Luxembourg and Liechtenstein.

Read more https://docs.google.com/document/d/e/2PACX-1vQxDYBStEKyzO2tG5pwXDE1ijjCLzU2ugRrRhF0ho3yn5gTVAVy-lzod1FdtKwlnbhl-LhiWL3377XQ/pub