Complex sentence: In recent years, Stavanger has also become one of the most popular ports of call for cruise ships, with the number of cruise ships increasing steadily, making Stavanger one of Europe's fastest growing ports of call for cruise ships north of the Mediterranean.
Split into simpler sentences: In recent years, Stavanger has also become one of the most popular port of call for cruise ships. Number of coming here has increased steadily in recent years, and Stavanger is one of Europe's fastest growing port of call for cruise ships north of the Mediterranean.