Solar panels on Hokule’a, a voyaging canoe built to revive the centuries-old tradition of Polynesian exploration. sailed by a crew of 12 who use only celestial navigation and observation of nature, the canoe completed a 4-year trip around the world.

Stock photo: Solar panels on Hokule’a, a voyaging canoe built to revive the centuries-old tradition of Polynesian exploration. sailed by a crew of 12 who use only celestial navigation and observation of nature, the canoe completed a 4-year trip around the world. was taken by stickmanhawaii .