包邮符号中国:长江黄河

亚洲**大河——长江 The Yangtze River-ongest River of Asia 长江的源流 Origin of the Yangtze River 长江文明 The Yangtze River Civilization 长江两岸名城 Major Cities by the Yangtze River 中华民族的母亲河——黄河 The Yellow River-Mother River of Chinese Nation 黄河的源流 Origin of the Yellow River 黄河文明 The Yellow River Civilization 黄河两岸名城 Major Cities by the Yellow River