The Solar Impulse plane, powered by solar energy alone, took off from China to Hawaii, but has just interrupted its trip to Japan. Let's take a closer look at the different stages of this round-the-world trip made with solar energy as the only fuel.
The year 2014 was marked by several air disasters which left hundreds of people dead. However, the airplane is still considered to be one of the safest ways of getting around. Let's take a closer look.