China Lghts and Gas Company Ltd gas works on the northwest corner of Jordan Road and Shanghai Street. The photo was taken likely from the roof top on Battary Street looking to the east and Shanghai Street. According to the 1956 map, the building on the left was an office.
1956 Map: https://gwulo.com/node/31747#15/22.3111/114.1673/Map_by_ESRI-1956_Kowloo...
Photo source: uwants.com - post #2905 by user 4rex - http://www.uwants.com/viewthread.php?tid=14833421&page=194#pid223430298
