Category:Time ball of Qingdao Observatory
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中文:青岛观象台报时球
Media in category "Time ball of Qingdao Observatory"
The following 4 files are in this category, out of 4 total.
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青岛观象山报时球 01.jpg 914 × 1,291; 764 KB
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青岛观象山报时球 02.jpg 1,600 × 1,028; 531 KB
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青岛观象山报时球.jpg 1,952 × 1,247; 1.4 MB
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青岛观象山报时球被毁照片.jpg 850 × 644; 77 KB