Li Hua gets the hange of astronomy. He is puzzled what exists in our sdar system. What dissatisfied him is that books can only tell him theoretical knowledge. In 2012, successful launch of Shenzhou9 cheere
Beautiful and mystical starry sky vast starry sky, limitless, does not have the limit. if you look in the universe all around, you will discover that all around all will be the twinkle star star (naked