CNN CNN International March 28, 2015 09:06:00
Fall. investigators say the speed of the crash pulverized plane and passengers. the recovery operation, they say is bit by bit, bag by bag. you can just pick out the small red flags rescuers dig into the earth when they discover new fragments. that looks like a scorch mark. the french prosecutor said the plane hit the mountain, bounced off and then desint grated. it's a tough hike through rugged mountains and steep valleys. it's still a little while before dawn. in other words to understand why investigators describe this as their biggest challenge. we try to get closer to the crash zone. the...