Solar Impulse 2 began its multi-leg 22,000-mile (35,400km) round-the-world trip on 9 March this year, taking off from Abu Dhabi and landing safely in Oman 12 hours and 250 miles (400km) later after its first leg

Solar Impulse 2 began its multi-leg 22,000-mile (35,400km) round-the-world trip on 9 March this year, taking off from Abu Dhabi and landing safely in Oman 12 hours and 250 miles (400km) later after its first leg