From Trux's link on the native fisherman:
BBC - Human Planet Explorer - Oceans (pictures, video, facts & news)
That guy has an incredible kicking technique! It actually looks pretty efficient for low power propulsion. And sounds like he can spearfish-dive for 5 minutes...
BBC - Human Planet Explorer - Oceans (pictures, video, facts & news)
That guy has an incredible kicking technique! It actually looks pretty efficient for low power propulsion. And sounds like he can spearfish-dive for 5 minutes...