geography / travel, China, science, windtunnel of the Tsinghua University Aeronautical Research Institute, Bailongtan, Yunnan, Additional-Rights-Clearance-Info-Not-Available

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Photo credit: © INTERFOTO / History / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1950er, aeronautical, china, geography, jahre, province, science, travel, tsinghua, university, windtunnel