Translation of unstable in German

Let us speak in the beginning of next week and arrange the exact schedule. I should get the first answer tomorrow or on Thursday evening. And by the way: Happy Birthday to your little cute daughter.
We have an option of uploading an excel file. However, we do give this option only to institutions and schools. The other ideas may be given in the future too. Thanks a lot for a great feedback!
It was fantastic to see that each ice berg had its own form and color. Unfortunately we could not reach all galciers, some were blocked by their own ice breaking off and floating in the lake.