At this altitude, sun screen is a must for all white folks like us. We had a group of over 15 including two kids under 18 and a bunch of others in their 40s and 50s. I was the youngest and maybe fittest of the adults.

Camera model		iPhone 4
Shutter speed		1/419
Aperture		f/2.6
Exposure		Normal program
Focal length		3.85mm
Flash		Off
Metering		Pattern
Brightness		7.7
ISO sensitivity		80
Latitude		16.487167˚ S
Longitude		67.891333˚ W
Altitude		4485.40 m
Location		La Paz Department, Bolivia

Page: 10 of 49 (20%)