Historic solar flight marks first round-the-world journey
ABU DHABI, United Arab Emirates — The world’s first round-the-world flight to be powered solely by the sun’s energy made history on Tuesday as it landed in Abu Dhabi, where it first took off on an epic 25,000-mile (40,000-kilometer) journey that began more than a year ago. Since its March 2015 take off, the Swiss-engineered