Volcanoes Pomarate (r, 20,610 feet/ 6281 m) and Parinacota (l, 20,827 feet/ 6348 m) provide the backdrop for a llama pasture and small group of dwellings in Sajama National Park, Bolivia. The twin "stratovolcanoes" (conical volcanoes composed of multiple layers of hardened lava, ash and tephra) straddle the Bolivian - Chilean border. The volcanoes formed during the Pleistocene (2.5 million- 12,000 years ago), and have experienced multiple eruptions, the latest 200 years ago. While the rainy season was waning, the daily cycle of cloud buildup and periodic rain was still apparent.

The huts are constructed of native materials- adobe (mud and grass bricks)- note the stack drying between the two huts on the right) and thatched puna grass roofs.

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Make:	NIKON CORPORATION
Model:	NIKON D800
Exposure:	0.005 sec (1/200)
Aperture:	f/14.0
ISO Speed:	100
Focal Length:	70 mm
Lens:	24.0-70.0 mm f/2.8