The visitors to these highest of the World's mountains are overwhelmingly lowlanders from the urban centres of the industrialized countries. Similarly, the scientists who undertook the initial research that induced the Government of Nepal to establish Sagarmatha (Mount Everest) National Park were westerners and predominantly lowlanders. Western and lowland concepts have been applied to development of a World class highland and natural resource. Tourism has been a primary vehicle here. So here I've talked about the changing aspects of livelihood of Sherpa community in perspective of constantly changing nature of economic developme.