Aerial photographs and cityscapes by aviation pioneer Wulf-Dieter Graf zu Castell, who lived in China between 1933 and 1936 and was tasked with setting up an air traffic network for Eurasia.
1964
1971
2007
2020
1933
1979
2016
2000
2001
1990
1930
1965
1944
2012
2024
2022
1977
2002