重城 meaning in English

shigeshiro

Jinshanling section of the great wall forms an impregnable and distinctive defense system by conterminous passes and watchtowers , layer upon layer of walls , and interlacing zones of fire , where such military facilities as warehouse towers , jinshan towers and single - side walls are typical along the great wall
金山岭长城城关相连、敌楼相望、重城护卫、射界交叉，组成了一道严密独到的防御体系，其中有许多军事设施如库房楼、大、小金山楼、单边墙等为万里长城所罕见。
The jiayuguan pass tower , strategically located between the qilian mountain and mazong mountain , guards the east - west passageway at the western end of the great wall and is the best preserved pass . surrounded by three inner and outer walls and several lines of defense , jiayuguan was a vital military stronghold of defense
嘉峪关城楼，向南至终年积雪的祁连山下讨赖河畔，明长城依山势起伏隐现，向北到黑山悬崖，长城蜿蜒绵亘，嘉峪关城楼位于祁连山与马鬃山这间狭长咽喉地带的最窄处，镇守东西通道，是万里长城西端险要关隘，也是长城沿线保存得最完整的一座雄关，嘉峪关城由三重城郭多道防线，形成重城并守之势，构成一个壁垒森严的军事防御工程。