Pros: services in the buildings - gym and etc
Cons: monotony and repetitiveness of the tasks
The tasks are routine-based, which means that the schedule tends to be stable. The company policy on overtime is "give-and-take" which means that, depending on the workload, some weeks you can do 2-3 hours less, some weeks 2-3 more. Culture of flexibility for appointments and other realities of life. Family-oriented spirit. In some aspects the tasks can be almost monotonous and extremely repetitive, however that is a personal preference - different people have different personalities that thrive in different work environments.
Also most buildings have a lot of services such as a gym, cafeteria, souvenir-shop, and even a dry cleaner/seamstress.