I use a rollator, I check the EventCity yesterday. There was a mobility event, I had a chance to look around. Completely flat, I made a short video clip inside the building. The camera was on my rollator. https://youtu.be/EUoVTzCmfwQ?list=PLO_t6LqBR9DlJ4gPuRITCi63WD7Q8qzBF