The image shows a page from a book or document with a detailed architectural plan. The plan is labeled with various lines and annotations, indicating specific measurements and structural details. The text on the page includes the words "THACOM" and "Hanoi," suggesting that this document might be related to a project in Hanoi, Vietnam. The overall layout of the plan is organized, with clear lines and labels, making it easy to understand the layout and design of the structure being planned.