1.   Blood stains and tangled debris in the school building were left untouched as evidence.

2.   High-tech sound equipment provided by the U.S. military tried to detect signs of life beneath the tangled debris.

3.   High-tech sound equipment donated by the U.S. military arrived from Hawaii and was put to work Saturday, trying to detect other survivors beneath the tangled debris.

4.   Rescue workers had to climb up through tangled debris.

5.   Hundreds of police and firemen searched the tangled debris for hours for survivors.

6.   Hundreds of police and firemen worked their way through the tangled debris searching for survivors.

7.   Rescue workers battled throughout the day to free the injured and recover the bodies of the dead with the help of cranes to lift portions of the tangled debris.