The image is a photograph of a blue sign with white text. The sign is located in a park or garden with trees and bushes in the background. The text on the sign reads "BOM DIA CHAN (PHAT QUANG) BLU - 82B". Below the text, there is a description of the bomb, which is a type of seismic bomb used in Vietnam from 1970 to 1970.

The bomb was dropped from a 130-metre cargo plane and caused serious damage within a diameter of 3.2 km. It was used in the Vietnam War. The dimensions of the explosion are:

- Dai:
- Duong kinh:
1.35 m.
- Trong luong chat no:
2.37 m.