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ORAND	Period：	Please Select: Spring and Autumn period 770~476 B.C. Warring States 475~221 B.C. Qin Dynasty 221~206 B.C. Han Dynasty 206 B.C.~316A.D. Eastern Jin Dynasty 317~420 Northern Wei 386~534 Eastern Wei 534~550 Western Wei 535~556 Northern Qi 550~577 Northern Zhou 557~581 Sui Dynasty 581~618 Tang Dynasty 618~907 Song Dynasty 960~1279 Liao Dynasty 916~1125 Jin Dynasty 1115~1234 Yuan Dynasty 1271~1368 Ming Dynasty 1368~1644 Qing Dynasty 1644~1911 Not Confirm
ORAND	Categories：	Please Select: 土墙 Rammed earth wall 石墙 Stone wall 砖墙 Brick wall 木障墙 Wood barrier wall 山险墙 Precipitous mountain areas as wall 山险 Precipitous mountain areas 河险 Precipitous river 其他墙体 Other type wall 界壕、壕堑 Boundary trench, fosse 消失的长城 Disappeared wall 敌台 Defence Tower 马面 Horse face like battle platform 水关 Water Gate 铺房 Guard room 其他墙上单体建筑 Other single building on the wall 烽火台 Beacon Tower 其他墙外单体建筑 Other single building outside the wall 关 Pass 堡 Fort 采石场 Quarry 砖瓦窑 Brick kiln 戍卒墓 Garrison soldiers tomb 挡马墙 Block horse wall 品字窖 Top and twin - side bottom heading 壕沟 Moat 居住址 Residential relic 古驿站 Ancient courier station 碑碣 Stele 刻石 Stone inscriptions 其他遗址遗迹 Other relic
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