250 years of change in Beijing revived with maps and photographs.
Complete Map of Peking, Qianlong Period
Digitize "Complete Map of Peking, Qianlong Period," an old map of Beijing created about 250 years ago, and overlay it on the current map.
Old Landscape of Beijing
Reconstruct the old landscape of Beijing by placing old photographs, taken about 100 years ago, at the original location and direction.
Analysis of Old Photographs and Maps of Beijing
Analyze the old map of 250 years ago and the old photographs of 100 years ago together to get the whole picture of Beijing.
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