Destruction and victims in Hiroshima after US drops atomic bomb there during World War II

The video describes the aftermath of a devastating event where 90,000 buildings were destroyed, and the blast area extended four miles from the center. It highlights the emergence of radiation sickness, overwhelming hospitals with patients, and the indescribable agony experienced by the victims.

What was the condition of the hospitals that were still standing?

How is the agony of the victims described in the text?