What is the fine-grained topic of the following text: Fashion on the shape of the eyebrows, as well as fashion in clothes, is constantly changing, so in the 20s of the 20th century “painted eyebrows,” were in fashion, so the girls inspired by the portraits and films with Marlene Dietrich, shaved their natural hair and drew new – perfect “eyebrow-strings”. Only return the topic.
Changing trends in eyebrow fashion.