Numerous archaeological sites identified along the Vistula
![Numerous archaeological sites identified along the Vistula](https://archaeofeed.com/wp-content/uploads/2018/05/Structures-359x240.jpg)
Researchers have surveyed the shores along the Vistula river south of Warsaw, Poland’s capital, in order to detect unknown archaeological sites. Among the new, previously unknown discoveries are 19th-century fortifications, salt chamber, and military earthworks.