A Polynesian voyaging canoe is on a four-year journey circumnavigating the Pacific Ocean, using only traditional methods of seafaring - so no GPS, no motor, no high tech sensors, but lots of sails and wind power. The canoe and its crew recently sailed down the California coast, meeting with indigenous communities along the way. Reporter: Katherine Monahan, KQED Learn more about your ad choices. Visit megaphone.fm/adchoices