If you like writing, check out Freewriters, The Ink Well, and THE WEEKEND. Prompts include fiction and non-fiction options.

Since you shared a lot of photos, you may like Photography Lovers.

German language communities are out there, like this one.

Foodies Bee Hive is a great place to share recipes. I see by your bio you're a vegetarian, so this may be of interest.

In general, follow people who write what you like. Make constructive comments and find conversation. It takes some time to winnow wheat from chaff, but it's worth the effort. I'll delegate some HP to help you vote and comment more.