The U.S. Geological Survey said the disaster on Wednesday was caused by a glacial collapse that triggered a vast flow of icy debris.

Officials at Nepal's tourism ministry told media outlets that over 400 tourists are missing, of whom around 340 are foreigners.

No one knew what Lobga Rangzen was planning. Not the monk who was his friend of 30 years, not his niece in New York.

In recent years, the international community has stood idly by while China has systematically eradicated Tibetan culture and identity.

International human-rights groups and exiles have routinely condemned what they call China's oppressive rule in Tibetan areas.