This image was adapted from a picture posted to publicdomainq.net. All of the images on these sites are in the public domain i.e. CC0. This site is only in Japanese but can be easily navigated with Google Translate.
沙拉用新鮮的蕃茄，黃瓜和雞蛋
bowl、cucumber、eat、eggs、food、fork、fresh、meal、publicdomainq.net、salad、spoon、Supermarket、tomatoes、vegetables
碗、黃瓜、吃、蛋、餐飲、叉子、新鮮、膳食、public domain Q.net、沙拉、勺、超級市場、番茄、蔬菜
資料來源：openclipart ( https://openclipart.org/ )