Pros
The team I interned at was welcoming, understanding of delays in tasks, and always trying to push for you to do and learn more doing the task at hand.
During my internship, I was able to obtain skills that are great to have on a CV, and are appealing to other employers.
Cons
I found the open-space culture to be a little bit distracting. Might be because I'm not used to it, but that's my take.