Half an hour laterLess than half an hour had passed since the emergency call. The police, and firefighters, and a dozen ambulances had arrived on the scene. From the sirens that could be heard in the distance, it was clear that the number of rescues would increase. It was rare that the GSG9 called for reinforcements in vain. When it happened, the intervention was massive and fast. Richter coordinated the forces in the field and, together with some firefighters and paramedics, entered the underground tunnels of the north tower. Each cave had slight signs of collapse but, all in all, the structures of the various rooms were not damaged that much. It took two hours to reach a point where it was no longer possible to advance due to the collapses. The team was faced with a pile of rubble, but d
