Not sure of the actual vantage point but looks like to have been taken further south from Observatory Road.
The long building in the background behind the railway carriage may be the rice godown as seen in the 1955 map at: https://www.hkmaps.hk/viewer.html (Click left top icon to find the appropriate era and reference map)
A similar photo below but from a decade later showing the 'new' children's playground.
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Re: Location of Photographer
Not sure of the actual vantage point but looks like to have been taken further south from Observatory Road.
The long building in the background behind the railway carriage may be the rice godown as seen in the 1955 map at: https://www.hkmaps.hk/viewer.html (Click left top icon to find the appropriate era and reference map)
A similar photo below but from a decade later showing the 'new' children's playground.
You're a genius moddsey
Found where they lived at 23 Hart Avenue and ties in nicely with the old map. Thanks