An athletic training camp in the Swiss Alps
This is a color photo of athletes running at an athletic training camp in the Swiss Alps.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Swiss_Olympic_training_base.jpg."
https://en.wikipedia.org/wiki/Effects_of_high_altitude_on_humans#/media/File:Swiss_Olympic_training_base.jpg
Wikipedia
CC BY-SA 3.0.
