• People take pictures as the Swiss-made solar-powered plane Solar Impluse 2 takes off from Nanjing's Lukou International Airport in Nanjing, China on May 31.
    solar impulse china

      JUST WATCHED

      People take pictures as the Swiss-made solar-powered plane Solar Impluse 2 takes off from Nanjing's Lukou International Airport in Nanjing, China on May 31.

    MUST WATCH

    Solar Impulse 2 landing

    The Solar Impuse 2 touches down in Hawaii after some 120 hours in the air, running on solar power only.