The world's largest solar-powered aircraft, Solar Impulse 2 on early Tuesday completed its round-the-world trip after landing at Abu Dhabi International Airport, from where it took off in March 2015.

In this handout picture taken and released by Solar Impulse 2, a solar-powered airplane, piloted by Swiss pioneer Bertrand Piccardis seen as it lands in Abu Dhabi, with Sheikh Zayed mosque in the background, to complete its world tour flight on July 26, 2016 in the United Arab Emirates. Pics/AFP