甘肃是个啥地方？甘肃是中国古代首先开展对外交流和贸易的地区，也是古代中西方文化交流的见证者，而敦煌莫高窟壁画中的每一笔线条，每一种色彩，都是古代文明对话的印记。（记者／刘彦辰　王嫣然　马海俊）

what does gansu mean？ gansu was the first region to carry out foreign exchanges and trade in ancient china， and it also witnessed the cultural exchanges between china and the western regions in ancient times. we can find imprints of exchanges among ancient civilizations in every painting and color that were used in the murals of mogao grottoes. （reporters／liu yanchen， wang yanran， ma haijun）