Movement of people from one place to another is part of life. As time passes by, human been tend to move from one place to another for settlement. There are lot of reasons that could be responsible for this. It could for a new job offer or placement, school or education purpose, to improve standard of living or just for the sake of experiencing another environment.
Moving to a new city is not new, in fact, it is a common thing in the modern world. It's usually a unique experience.