It is possible that Tong Cheong was related to Hong Cheong , the Chinese operator of another photographic studio in Yokohama between 1875 and 1885 .
By the following year Cheong had left Japan .
It is possible that Cheong   was related to Hong Cheong , the Chinese operator of another photographic studio in Yokohama between 1875 and 1885 .
By the following year Cheong had left Japan .