The Roman well.

The Roman Well is today one of the most remarkable tourist attractions of Belgrade Castle. This structure is not actually an ancient structure. It was built in the first half of the 18th century in order to provide water to the Austrian army as a reservoir. It was made in the first half of the century. Since there was no water source in the area, it was built in the 18th century as a water supply for the Austrian army. It was built in the 19th century to provide water to the Austrian army as a reservoir. It's 51 meters deep, and it's interesting that the bottom is lower than the bottom of the Sava River. In the 19th century, the people of Belgrade named the well after Rome to emphasize its age and taste. In the 20th century, the Roman adjective was used to emphasize the age and composition of the well. The Dark Gate is located next to the Roman Well.