Mr. Xu, who grew up in Queens, N.Y., cited Wong Kar-wai films, Christopher Doyle cinematography, Fan Ho photography and ’90s gangster movies like “Young and Dangerous” as inspirations for his work. He has frequently traveled to Hong Kong, spending weeks there at a time.

“My family is from Taishan in Guangdong province, so we are of the Cantonese people,” he said. “We speak Cantonese, so when I go to parts of Hong Kong that speak Cantonese, it’s this familiar feeling of home to me.”

Samantha Wong, above, is a blogger on the Instagram account @samishome. She was shopping at a wet market, which is an outdoor grocery shopping center, in Causeway Bay on Hong Kong Island.