I was given work from the first day, had weeks of training, and eventually did work pretty much all on my own. If I ever had a question about something as I was going through a project, some was always there and happy to ask my question.
Nothing - I couldn't recommend this internship more.
Every person I worked with gave me feedback. And not just "hey, keep up the good work," but actual changes to help me become a better writer. Sometimes the work is really hard and it feels like too many questions are being asked, but no one is ever mad that an intern asks a question - they readily welcome it.
There were several interns on our floor. We all being friends quickly. That was partially because the company tried to get us to hang out, but we also ended up hanging out outside of our internship every couple of weeks.