Off the coast of the Philippines in the South China Sea, there's a place called the

Scarborough Shoal. Scarborough Shole is a triangular beef,

and in the middle is a blue, beautiful lagoon.

That's our colleague Nijariqamandana and she says that the lagoon only has one

entry point. It's uninhabited it has no structures on it, and it's a traditional fishing ground for

Filipino fishermen as well as Chinese fishermen. So it is a site for fishing?

Yes, for generations, fishermen from around that region

from the Philippines in particular

have been fishing in the area.

For more than a decade, China's been blocking Philippine access to the shoal,

heightening tensions between the two countries.

Last month, China put up a floating barrier with white buoys at the entry of the lagoon,

and the Philippines decided to push back.

Members of the Philippine Coast Guard sailed to the shoal and snuck to the edge of the barrier.

So what they do is they go in, not in a Philippine Coast Guard vessel, but in a wooden fishing vessel that looks like the kind of vessel that Filipino fishermen in that area use.

It's called a bunker.

And there's a very small crew of the Philippine Coast Guard personnel.

They are not wearing their uniforms because they don't want to attract a lot of attention.

They want to look like fishermen and they want to get to the barrier.

One of the divers dives in, takes a small knife,

sores at the rope where it attaches to the anchor for the barrier, and the rope comes

loose. They then pick the anchor up,

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