KATHMANDU, Aug. 3 -- Thirty years after they were driven out of Bhutan, and after spending all that time in camps in eastern Nepal, elderly refugees are by themselves and hope to see their homeland one last time.

Dambar Kumari Khatiwada and her husband Kharka Bahadur wait away their days at the Sanischare Refugee Camp just as they have for the past three decades in the same bamboo shed, but now without their two daughters and a son who have been resettled in the United States.

"Our children are in the US, but we did not want to go and adapt to a completely new culture again, we want to see our motherland one last time before we die," says Dambar Kumari. "But we did not realise how difficult it would be for the family to be separated like...