Scattered through Indonesia, Malaysia and the Philippines, the Bajau are a semi-nomadic tribe of fishers with extraordinary freediving skills. Research has shown that their anatomy has evolved to help them remain underwater for a longer time. The Bajau’s traditional respect for their environment sets them as an example for ocean conservation.
https://www.bbc.com/reel/video/p0cjtl2v/south-east-asia-s-extraordinary-freedivers