Yes, you have to use ropes in some places. Machu Pichu, at 2430m, is lower than all the places we hiked, but still, the 300m climb up Huayna Pichu made some a bit winded.

Camera model		iPhone 4
Shutter speed		1/40
Aperture		f/2.6
Exposure		Normal program
Focal length		3.85mm
Flash		Off
Metering		Pattern
Brightness		4.2
ISO sensitivity		80
Latitude		13.157667˚ S
Longitude		72.546167˚ W
Altitude		2532.40 m
Location		Cuzco Region, Peru

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