We acknowledge Mr Ko Tim-keung for his contribution to share his personal collection of photos and write the textual description for this collection.

Mr Ko is a Hong Kong history and historical photo researcher. He is also Member of Antiquities Advisory Board and Board Member of Royal Asiatic Society. His related publications include Hong Kong: Past and Present, Hong Kong During the Japanese Occupation, Heritages of Kowloon City District, A Sense of Place: Hong Kong West of Pottinger Street, The Path Of Hong Kong, etc.