Perhaps Hemingway once thought about starting a new life in Spain. It's always been a favorite retirement destination for people the world over. Maybe you have decided to retire in Spain because you had a really terrific holiday. You will benefit from what the World Health Organization calls the best climate in Europe. The Costa Blanca offers mild, dry winters, which together with salt lagoons; make Spain great for sufferers of asthma, arthritis, and rheumatism. The WHO calls the Murcia region the cleanest air in Europe.