For a while there, it looked like a blue hole in the South China Sea had edged Dean’s Blue Hole in the Bahamas as the world’s deepest blue hole.Read MoreFreediving, Blue Hole, deans blue hole, Dragon Hole, freediving, news, Sansha Yongle Blue Hole, william trubridgeDeeperBlue.com
The Story Behind the Card: PADI AWARE Sea Turtle Legend by Stan Moniz
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