Good public transportation systems that is easy to go to a place A to a B
Entrrntaiment all the all night
All the big cities have something and is that sometimes the never sleep because all the entertainment happen both at night and in the day for all the events and showy things that can be in the whole city
Learning
When someone is going to meet another person that in big cities there are quite a few people is interesting now about the different culture or something in common that they have
People
People have party's or social events that anyone can introduce yourself and socialize with that can be fun.
Health
Medicine for decease clinics and hospitals can find open for 24 hours
In conclusion
city life is more fun and exciting because there is a wide range of entertainment to enjoy and a lot of social events to attend.