sentences:  However, in 2004 Nawang's friend Tom McMillan of the San Francisco Bay Area received an opportunity to climb Mount Everest and immediately invited Nawang to climb with him as his climbing partner.This was the genesis of their very successful 2004 Friendship Beyond Borders Expedition.The High Exposure Foundation, established in the 1990s in Minnesota by Ed Hommer, offered to help Nawang achieve his Everest dream with donations of high-tech prosthetic equipment suitable for mountain climbing and trekking.