Captured by his mother Emma in the azure island waters of Nusa Penida, off the coast of Bali, Kieren Tobin's four-year-old tenacious spirit is seen as he swims in pursuit of a wild sea creature.

Diver Rich Horner says the pollution at Manta Point is unlike anything he's ever seen before. (Picture: Rich Horner) Manta Point, off Nusa Penida, is one of the world's most famous diving and ...