Do you prefer Bob Lam or Siu Bow's back view photos?

A few days ago, artiste Siu Bow (陳嘉佳) shared photo of her back view soaking in the bathtub and her on-screen lover, Bob Lam (林盛斌) followed the same pose and uploaded his bare back on Weibo. Bob left an amusing message: "This is called beautiful back, isn't it?" Hence, Siu retorted by placing Bob and her back view photos together and asked the netizens: "Which photo do you prefer?" The netizens