Original sentence: San Juan's harbor is the fourth busiest in the Western Hemisphere, ranked among the top 17 of the world's in terms of container movement and the largest home-based cruise port in the world with over a dozen cruise ships plying it's docks and each year new cruise ships either originate or call at the port
Edited sentence: San Juan's excellent harbor is the fourth busiest in the Western Hemisphere, ranked among the top 17 of the world's in terms of container movement and the largest home-based cruise port in the world with over a dozen cruise ships plying it's docks and each year new cruise ships either originate or call at the port