TOPSHOTS Solar Impulse 2, the world's only solar powered aircraft, flies over the Mandalay International Airport in Myanmar on March 30, 2015. Solar Impulse 2 took off from Myanmar's second biggest city of Mandalay early on March 30 and headed for China's Chongqing, the fifth flight of a landmark journey to circumnavigate the globe powered solely by the sun. AFP PHOTO / YE AUNG THU