kate mcgeown reports from one of the worst affected areas. >> the logs that destroyed this city are now being used to rebuild it. two months after torrential rains brought devastation to this part of the philippines, there's a growing realization that it wasn't the water, but the logs it brought with it. it was the disaster's biggest killer. >> maybe those who penished would be reduced by more than a half. so if we had something like 750 people who died, maybe half of those lives were caused by the logs. >> in total, more than 1,000 people died when the tropical storm hit in december. cut trees mashed into people's homes. the president has banned all logging in the philippines, but it depends on where you live as to how strictly it's enforced. down here, which bore the brunt of the destruction of the floods, it's now almost impossible to get a permit to log. but upstream, where most of the logs came from, it's much easier. with an armed escort, we traveled up river into the mountains. rebel groups operate here, and central government's ability to enforce the law is weak. but a local saw