How American retirees visited 200 cities in four years
Michael and Debby are the most extraordinary couple in the world. They sold their house and their car, left the hometown, friends and family and went on to explore the world. The Campbells don't live in the hotels, they rent apartments on Airbnb, they don't eat in the restaurants, they cook at home and do grocery shopping on local bazaars. They are not on the vacation, they are living the best of their lives.