CNN Anderson Cooper 360 March 25, 2015 00:18:00
Those, hamper efforts and the fact the whole side is so steep there, the wreckage side is over several hundred meters. that's a concern. access is really only by helicopter. we've seen those helicopters sitting on the ground here throughout the day and the question when daybreaks in the morning, how low is the clouds and will the helicopters be able to fly and get access to the site? the rain has been coming over some of the high mountain passes here. particularly strong also that. falling rain or snow again at the crash site. that also worry, anderson. >> obviously, concern for families is ha...