The source of the image on flickr is: https://www.flickr.com/photos/129372920@N08/17468774262/ with the title: "4-5-52- Hong Kong". The original image shows colour faults, on the displayed one it's corrected.
Nice aerial view showing southern and eastern shores of TST. Near the wing is Holt's Wharf, behind it Signal Hill. In the back there could be Chatham Road Camp. The barracks at the eastern shore are unknown to me.