About a hundred years ago, what style and schedule did Vietnamese social classes live with? Escaping the internet, television, taking photos, and other regular festive activities, let's take the time on Tet to read this article and reflect on reality. The article is excerpted from the book "Material Civilization of the Vietnamese" by author Phan Cam Thuong, published in 2022 by the World Publishing House. The excerpt is named by the VietnamTimes.