Complex sentence: In Belize, off the island of Ambergris Caye, there is a popular marine sanctuary, Hol Chan, where divers and snorkelers often gather to watch stingrays and nurse sharks drawn to the area by tour operators who feed the animals.
Split into simpler sentences: In Belize, off the island of Ambergris Caye, there is a popular marine sanctuary called Hol Chan. Here, divers and snorkelers often gather to watch stingrays and nurse sharks that are drawn to the area by tour operators who feed the animals.