>> and no military bases. no american presence? >> up until '72, there was an american base. >> there was. >> but then in '72, the base was taken away. >> now nothing. >> only the japanese self-defense forces now. >> what do people do here? agriculture? growing sugarcane? >> tourism. fishing. >> have there been attempts to develop here and have the locals been able to resist that impulse? >> they have rich lives. they have everything they need. they have produce from the land, the sea. they don't need much else. >> i've been invited to a beach barbecue, kumejima style. go big or go home. to eat some fresh caught tuna that comes straight from the market to be butchered into sashimi. also caught this morning, some sea snails for the grill, and mozuku, seaweed, which can be cooked but today is enjoyed raw. and local prawns eaten either raw or grilled, or both. that looks awesome. off with the head? there's more. local beef grilled and then tossed with moyashi, seasoned bean sprouts. we will need our energy, it appears. tagumi is as old school a martial art as it gets. no ring, no octagon. the rules are simple. known as okinawan sumo -- >> whoa.