导读： 暑假手抄报 In the north of china,there lies a 6,700-kilometer-long(4,161-mile-long) ancient wall now well-known as...
In the north of china,there lies a 6,700-kilometer-long(4,161-mile-long) ancient wall. now well-known as the great wall of china ,is starts at the jiayuguan pass of gansu province in the west and ends at the shanhaiguan pass pf hebei ……
