Where was the die glocke UFO reise project site German spacecraft the bell located?

The Glocke work site is believed to have been in the Silesia Providance, South-West of Breslau in an under ground site. An under ground site has been found but it is smaller than what is stated on documents, but an air tube has been found to go no were and is believed to lead to an under ground chamber blasted shut at the end of the war in 1945. this project matches what witnesses seen in Kecksburg, PA in 1969, crash in a wooded area before the government closed off the area.