The image shows a page from a book or document with text and illustrations. The text is written in Vietnamese and appears to be discussing a topic related to the environment, possibly related to pollution or environmental issues. The illustrations on the page depict scenes of pollution, such as water bodies contaminated by industrial waste.

The text on the page mentions "Hanoi" and "environmental pollution," indicating that the content might be focused on environmental issues in Hanoi, Vietnam. The illustrations show people interacting with polluted water bodies, which could represent the impact of industrial activities on the environment.

The overall theme of the page suggests a discussion on environmental protection and the need for better management of pollution in the region.