The Sphinx observatory is located at Jungfraujoch in Switzerland at an altitude of 3,571 meters.
At first the scientists worked in harsh conditions and lived in temporary shelters.
Eventually, the Sphinx observatory was built in 1937 to accommodate eager scientists.
The Sphinx observatory is built on a steep cliff.
From the metal gratting one can see 11,333 feet of abyss down below.
The astronomical cupola is equipped with a 76cm telescope with Cassegrain and Coude focus.
