On the website of the Imperial War Museum, a number of (silent) films can be found. Some of them are on war criminals trials and include other scenes. They seem to be raw materials that have been used for e.g. Movietone Films like this.
One of the films shows the recovering Hong Kong from March 1946 (here). The description on the website is as follows:
The CLP History Film Project is a documentary detailing the history of CLP (China Light & Power) and the ways in which its development has become interlinked with the development of Hong Kong as a whole, as well as its more recent investments in China and India. We are currently searching for archive film footage of Hong Kong from the early 20th Century onwards. Having searched through the local government records service and resources, we would welcome any submissions or leads to private collections and other archive sources! <Read more ...>
