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.
| Release Date | August 3, 1937 | |
|---|---|---|
| Status | Released | |
| Original Title | Unbekanntes China | |
| Runtime | 15min | |
| Budget | — | |
| Revenue | — | |
| Language | German | |
| Original Language | German | |
| Production Countries | Germany | |
| Production Companies | UFA | |