patagonia and those are the kinds of places that inspired him. reporter: google executive dan fredinburg there to build a virtual tour to help the world see this great mountain. and from new jersey, base camp doctor marisa eve girawong. so many come here to marvel at and to conquer the world s highest mountain. tragically for so many, it has conquered them. hamish macdonald, abc news, london. and in the midst of tragedy, we are hearing some amazing stories of survival. chicago mother loretta land says her 52-year-old son andy was climbing mt. everest when the quake and avalanche struck. she s relieved but still worried about how they ll get down from where they re currently stranded. my concern is getting down the avalanches and the rock slides. and they have indicated several times that the structure of the mountain has changed. andy land is a hospice nurse in wisconsin and spent months