Old city wall and observatory
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 P3230062.jpgPart of the remains of the old city wall built in Ming Dynasty. |
 P3230066.jpgThere use to be a railway line running along the wall, and this was the Signalling station. |
 P3230067.jpgClose up of the walls. There are restoring it using old bricks from old houses. |
 P3230070.jpgAnother view of the South-east tower. |
 P3230071.jpgThey dug this arch in the wall to let the railway through. |
 P3230072.jpgView from under the South-east tower. |
 P3230073.jpgThe Celestial Globe at the Ancient Observatory. |
 P3230074.jpgThe Quadrant. |
 P3230075.jpgThe Ecliptic Armilla. |
 P3230079.jpgThe Equatorial Armilla. |
 P3230081.jpgThe Sextant. |
 P3230082.jpgThe Altazimuth. |
 P3230084.jpgThe Armillary Sphere. |
 P3230085.jpgView of the observation tower. |
 P3230086.jpgThis sundial is a replica of a similar one in the Forbidden City, with the lost stand restored. |
 P3230087.jpgClose up of the Sundial. |
 P3230088.jpgA device used to measure length of it's shadow. Based on that, the dates and time of the Solstices and Equnioxes can be determined. |
 P3230089.jpgSignage on the tower. |
 P3230090.jpgThe Abridged Armilla. |
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