New Delhi, May 9 -- A 30-year-old Chinese diver named Zhang Xiaohan drowned while diving in Indonesia. She was on a tour near Kakaban Island with 12 guests and 3 guides.

The island also has the world's largest jellyfish lake, attracting many visitors in recent years.

Xiaohan, who drowned while diving in Indonesia, was said to be an experienced diver with a Divemaster certificate, according to the South China Morning Post.

A Divemaster certificate is a professional scuba diving qualification. It lets someone guide certified divers, assist instructors and supervise diving activities.

Divemasters can lead and support divers but cannot teach full diving courses without becoming an instructor.

During the dive, she lost her GoPro camera an...