had been canceled because of the earthquake two weeks ago and avalanches. but still people who want to do regular treks around everest were in namche. so we don't know what the situation is, but it's an area with a lot of, it was already reeling because of that avalanche and the earthquake, and now you've got all these trekkers there possibly stranded in namche. we don't know the situation, but there is a lot of concern that this could be quite big. >> if rescuers wanted to get into this region, it's going to take them a long time. did you say it was going to take a two-day walk? is that right? >> reporter: that's right. namche is a two-day walk. if you're a really fast walker, then you could possibly do it in one day, but it's a two-day walk. and you can go by helicopter as well. so that's what the rescue workers have been using in the