Transcript for See the Moments After Crash Investigators Make Their First Visit to MH17 Site
Finally four days after the crash professional air crash investigators had just finished their first visit to this site three. Experts from the Netherlands coming out basically they just walked around some of these impacts sites. Taking pictures doing kind of a rough survey of the break up and crash of this plane through these fields. Out of the fields in the distance you can see some of the larger pieces of the plane. Came down a major impact site here and let me show you this four days later there are still. Flammable materials that catch on fire under the hot sun here and you can still catch out of this place some of that of the smell. A death that. Pervades this scene. I asked one of the air crash investigators if after four days of this vast and scattered site being unsecured. Whether he was confident that they would be able to determine what happened. He said simply I don't know. Terry Moran ABC news near global thing. -- --
This transcript has been automatically generated and may not be 100% accurate.