A Tibetan Buddhist nun with her prayer wheel takes a rest while circumambulating the Potala Palace in Lhasa, Tibet.

A Tibetan Buddhist nun with her prayer wheel takes a rest while circumambulating the Potala Palace in Lhasa, Tibet.

A Tibetan Buddhist pilgrim from the Kham region of eastern Tibet visits the Potala Palace in Lhasa, Tibet.

Khamba Tibetan women from the Kham region of eastern Tibet on a pilgrimage to visit the Potala Palace in Lhasa, Tibet. They have white Buddhist prayer scarves or khatas around their necks. Felt cowb...

A young Khamba Tibetan woman from the Kham region of eastern Tibet on a pilgrimage to visit the Potala Palace in Lhasa, Tibet. She has a white Buddhist prayer scarf or khata around her neck. Felt co...

A Khamba grandmother helps her grandson during a pilgrimage to the Potala Palace in Lhasa, Tibet. The Khamba people are from the Kham region of eastern Tibet.

A Khamba Tibetan woman from the Kham region of eastern Tibet on a pilgrimage to visit holy sites in Lhasa, Tibet. She is wearing her colorful traditional bangdian or pangden apron.

A Tibetan Buddhist pilgrim from the Kham region of eastern Tibet visits the Potala Palace in Lhasa, Tibet.

The Potala Palace was founded about 1645 A.D. and was the former summer palace of the Dalai Lama and is a part of the Historic Ensemble of the Potala Palace, Lhasa - a UNESCO World Heritage Site. Lha...

The Potala Palace was founded about 1645 A.D. and was the former summer palace of the Dalai Lama and is a part of the Historic Ensemble of the Potala Palace, Lhasa - a UNESCO World Heritage Site. Lha...

The Potala Palace was founded about 1645 A.D. and was the former summer palace of the Dalai Lama and is a part of the Historic Ensemble of the Potala Palace, Lhasa - a UNESCO World Heritage Site. Lha...

The Potala Palace was founded about 1645 A.D. and was the former summer palace of the Dalai Lama and is a part of the Historic Ensemble of the Potala Palace, Lhasa - a UNESCO World Heritage Site. Lha...