Why do many Hong Kong Chinese look different from the Han Chinese in mainland China?

Will also throw in this chef I found.

Probably because of the heavy Kradai ancestry they have. Couple this with admixture from Han migrants from the Central Plains and relative isolation and you get a huge number of unique phenotypes, which include phenotypes that look pseudo Caucasian/Eurasian like Jomon influenced Japanese. But I wouldn’t say just Hong Kong Chinese but rather, Cantonese people overall, who mostly live in Guangzhou, Hong Kong and Macau and speak the Cantonese language.

For example John Lone, Sean Li, Patrick Chan, Chen Yunshang, Osman Hung, Louis Cheung, Zhang Huizhang, Sun Yat Sen, Pakho Chan, Sammy Sum, Wu Yanshu, Mui Yee, Lee Tit, Frankie Lam, Frankie Chan, Shih Kien, Walter Tso, Karl Maka, Lu Wencheng, Cheng Gwan-min, Gilbert Yeung, Fong Foo Sec, Chen Gongbo, Wong fei hung, Nick Cheung, Eddie Chen, Lun Chia, Howqua, Kuo-Chen Chou, Kei Perenna Hoi Ting, Xu Yingkui, Monica Chan, Carina Lau, Margie Tsang, James Hong, Elanne Kong, Robin Shou, Vivenne Tam, Martin Yan, Chan Wai-man, Li Kai-shing, Ip Man, Nora Miao, Huang pa-ching, Carman Lee, Kent Tong and Barbara Yung, Cherie Chung, Carol Cheng (technically Sichuanese but still close genetically), George Lam, Mike Tsang, Angie Chiu, Sam Nam Hung, Linda Lin Dai, Grace Chan (mixed w Malay tbf), Katy Kung, Newton Lai, Aaron Chow, Jason Lam Yeun Ying, Michael Dinga, Jaime Chik, Lai man wai, Danny Chen, David Henry Hwang, William Yukon Chang, Benny Lai, Cheung Kwok keung, William ah ket, Jack Wong Sue etc

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