They ask me to tell about my projects, and ask some questions about the projects. They also ask me some behavior questions. For example, have you done projects in a group. What did you act in a group. When you find some problems in project, what did you slvoe these problems.

First I was called in for 1:1 interview with the professor. It still consisted of me giving a presentation but only to him. Then we talked about my experieces etc. Overall, it was just a nice conversation. Then he said that he'd like me to come in and give an official presentation to the whole lab, and that was ok as well. After that there was a lunch and dinner interview with the lab members, which was still just talking...