The Horse Pond or Horse Well in Salzburg, Austria.
"The horsepond was built in 1693 by Fischer von Erlach and restored in 1732 by archbishop Firmian.
Statue by Michael Bernhard Mandl. In 1732, Prince Archbishop Firmian ordered the renovation of the Pferdeschwemme. The statue was shifted by 90 degrees and lifted a bit and new frescos were painted by Josef Ebner after drawings by Stradanus."