As well as comfortable to travel in airplane is also very pleasant. Long-distance travel is concentrated in just a few minutes. If you travel by plane so many times, but have you ever thought about why the plane’s windows are round or oval?
There are many places in the desert of Morocco, where people hear music remains mysterious. The same music in the 13th century when Marco Polo also had heard, when he first visited China. People believe that the ghosts of music that has been heard for centuries.