출처: http://www.bbc.com/news/science-environment-36122618 Solar Impulse lands in California after Pacific crossing55 minutes ago From the sectionScience & EnvironmentImage copyrightAFPImage captionThe fuel-free plane is one leg closer to to ending its round-the-world trip (to to에서 하나는 빼야 함. 오류임.)The solar-powered aeroplane Solar Impulse has landed in S..