Complex sentence: Since then, the Latin and Caribbean-friendly atmosphere in Miami has made it a popular destination for tourists and immigrants from all over the world, and the third-biggest immigration port in the country after New York City and Los Angeles.
Split into simpler sentences: Since then, the Latin and Caribbean-friendly atmosphere in Miami has made it a popular destination for tourists and immigrants from all over the world. It is the third-biggest immigration port in the country after New York City and Los Angeles.