young businessman looking frightened, posing in studio, (b&w), portrait - 向後望 個照片及圖片檔1950-1959, 恐懼, 男人
young asian woman glancing playfully over shoulder, posing in studio against vivid blue background - 向後望 個照片及圖片檔微笑, 看別處, 鮮明顏色
portrait of happy teenage boy with cornrow braids standing near brick wall - 向後望 個照片及圖片檔一個人, 青春期, 少年男女
young woman using mobile app to track nutrition and count calories with smartphone - 向後望 個照片及圖片檔節食, 健康飲食, 健康的生活方式
a southeast asian woman is using a smartphone and in-ear earphones at work in the office - 向後望 個照片及圖片檔社交網絡, 一個人, 35歲到39歲