Earth pyramids of Ritten
<a rel="nofollow" class="external text" href="https://www.panoramio.com/user/553599?with_photo_id=18195096">Josef Künzli</a>
CC BY-SA 3.0
<a rel="nofollow" class="external free" href="https://www.panoramio.com/photo/18195096">https://www.panoramio.com/photo/18195096</a>