甘肃敦煌汉代长城 Dunhuang Great Wall of Han Dynasty in Gansu

【描述】敦煌汉代长城的结构并无砖石,因地制宜,就地取材建造,植物的枝条为地基,上铺土、砂砾石再夹芦苇层层夯筑而成。以此分段修筑,相连为墙。
        
         Dunhuang Great Wall of the Han Dynasty was not made of bricks or stones, but of local materials. The trunks of plants laid the foundation on which soil, sand gravels with reed in it were paved. The Great Wall was built section by section.


作品资料

  • 图片编码:1000000504
  • 发布时间:2019-01-23
  • 图片作者:甘肃
  • 拍摄日期:2013-10-05
  • 图片尺寸:4288x2848
  • 图片大小:2.53M
  • 图片格式:JPG
  • 相机品牌:NIKON CORPORATION
  • 相机型号:NIKON D300S
  • 分 辨 率:300 DPI
  • 曝光模式:Manual exposure
  • 曝光时间:1/60 sec
  • 曝光程度:Manual control
  • 曝光补偿:0 EV
  • ISO 速度:200
  • 相机焦距:70.0 mm
  • 最大光圈:F4.4
  • 测光模式:Multi
  • 闪光模式:Flash did not fire
  • 白 平 衡:Unknown