The massive citadels of indus cities that protected the harappans from floods and attackers were larger than most mesopotamian ziggurats 印度城市厚重的大本营保护着哈拉帕免受洪水和攻击者的伤害，比美索不达米亚最大的金字形神塔还要大。
2.
The landmark about which they flew heeled was the ziggurat of ur , a 4100year - old temple of baked mud bricks that rises 170ft from the desert 它们绕着飞行的界标便是乌尔金字形神塔，一座年前由烧制的土砖砌成的庙，高英尺，耸立在这片沙漠上。
