Rega, the Swiss Air Rescue Guard, during a rescue activity just south of Stockhorn mountain. The injured person can be seen sitting at the left border of the image.
The data of the photo is not to be trusted. It's either August 2011, or July 2011.
<a href="//commons.wikimedia.org/wiki/User:Keimzelle" title="User:Keimzelle">David Croll / Keimzelle</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>