![Section drawing of Jungfraujoch and the Sphinx Observatory (upper right) in the Swiss Alps - railroad, elevator/lift, and other tunnels are inside the mountain - buildings (red) are exposed. Links in comments.[800x549] : Section drawing of Jungfraujoch and the Sphinx Observatory (upper right) in the Swiss Alps - railroad, elevator/lift, and other tunnels are inside the mountain - buildings (red) are exposed. Links in comments.[800x549] :](https://preview.redd.it/1pf8d3eexm221.jpg?width=640&crop=smart&auto=webp&s=7482cd378f4c473046556924fe482810aea7be13)
Section drawing of Jungfraujoch and the Sphinx Observatory (upper right) in the Swiss Alps - railroad, elevator/lift, and other tunnels are inside the mountain - buildings (red) are exposed. Links in comments.[800x549] :
![Sphinx Observatory, Jungfrau, Switzerland Stock Photo, Picture And Royalty Free Image. Image 14685482. Sphinx Observatory, Jungfrau, Switzerland Stock Photo, Picture And Royalty Free Image. Image 14685482.](https://previews.123rf.com/images/nattyptg/nattyptg1208/nattyptg120800002/14685482-sphinx-observatory-jungfrau-switzerland.jpg)
Sphinx Observatory, Jungfrau, Switzerland Stock Photo, Picture And Royalty Free Image. Image 14685482.
![Fotografieren im Inneren deck der Sphinx-Observatorium, Jungfraujoch, Schweiz Stockfotografie - Alamy Fotografieren im Inneren deck der Sphinx-Observatorium, Jungfraujoch, Schweiz Stockfotografie - Alamy](https://c8.alamy.com/compde/dn410f/fotografieren-im-inneren-deck-der-sphinx-observatorium-jungfraujoch-schweiz-dn410f.jpg)