A stately pleasure-dome decree: Where Alph, the sacred river, ran Through caverns measureless to man Down to a sunless sea. So twice five miles of fertile ground With walls and towers were girdled ...
The Mongols, led by Kublai Khan (the grandson of Genghis Khan), captured the geographically important city of Xiangyang after a six-year siege. By 1279, the Song dynasty was finished. In a final ...