officials say regular flights are planned to the cities of khabarovsk and khabarovsk and yuzhno-sakhalinsk in the russian far east. planes are expected to bring a sharp increase in the flow of people and goods. the larger airport will also be able to handle military transport aircraft. japan calls the islands the northern territories. chief cabinet secretary yoshihide suga says the four islands are being occupied by russia without legal grounds. he says japan has no means of stopping infrastructure projects there. >> translator: we have to reach a fundamental settlement over the northern territories issue. we will negotiate tenaciously with russian officials to seek a solution that is acceptable to both sides. >> suga says the opening of the airport will not affect plans to arrange a bilateral summit. >>> many japanese farmers struggle to make a profit in a country that imports more than half its food. one farmer in northern japan is using innovative marketing techniques to stand out from the crowd, and he's watching his bottom line grow. nhk world's risa wakabayashi explains. >> reporter: