Bernard Castelein / Aerial view of Chortens / Stupa (Buddhist sites) in millet fields, Tamang heritage trail, Gadlang, Langtang region, Nepal, November 2009

Bernard Castelein / Aerial view of Stupa / Chortens (Buddhist sites) in millet fields, Tamang heritage trail, Gadlang, Langtang region, Nepal, November 2009

Bernard Castelein / Chortens in Tashiding buddhist Monastery, Sikkim, India October 2007

Colin Monteath / Snow covered chortens, near Panzi La, Kingdom of Zanskar, Himalaya, India

Colin Monteath / Zangdok Palrifo Brang Gompa, communication tower and chortens, Kalimpong, Sikkim Himalaya, India

Colin Monteath / Zangdok Palrifo Brang Gompa, tourist among chortens, Kalimpong, Sikkim Himalaya, India

Bernard Castelein / Chortens, near Tetang, Mustang, Nepal

Bernard Castelein / Autumnal trees with Chortens, near Tetang, Mustang, Nepal

Bernard Castelein / Chortens with rock formations in background, near Tetang, Mustang, Nepal

Colin Monteath / Satellite tower and chortens, showing contrast between ancient and modern near Leh, Ladakh, northwest India

Bernard Castelein / Chorten, west of Khingar. Lower Mustang, Nepal. November 2004

Bernard Castelein / Chorten shrine, western edge of Jharkot, Annapurna range, Lower Mustang, Nepal

Bernard Castelein / Chorten, western edge of Jharkot, Lower Mustang, Nepal.

Jeff Foott / Art work on Druk Wangyal Chortens, near Dochula Pass. Bhutan. September 2013.

Jeff Foott / Druk Wangyal Chortens, near Dochula Pass. Bhutan. September 2013.

Jeff Foott / Art work on Druk Wangyal Chortens, near Dochula Pass. Bhutan. September 2013.

Enrique Lopez-Tapia / Buddhist chortens in mountains. Zanskar, Ladakh, India. September 2011.

Enrique Lopez-Tapia / Chortens / Stupa in the Shey Valley, Indus Valley, Ladakh, India. September 2011.