melody.Without any preparation or careful consideration, her style of music is purely "ear-based". It sounds grand and melodious.After playing a short, lively and joyful melody, Ou Yan played another...Like a mysterious treasure trove, it seems to hold countless treasures. Just taking out any one of them can bring immense shock and awe.a, the Sky Eye is not an ordinary surveillance system available on the market. It's incredibly small, even smaller than a grain of rice, but it can clearly see every detail of Beijing's roads and stre...