Our GPR survey revealed linear anomalies on the exterior of the St. Jack and St. Dorothy church in Piotrków Trybunalski. These structures can be interpreted as remains of the non-existant monastery that functioned from the 14th to the 19th century.
GPR: Medieval Monastery in Piotrków Trybunalski, PL
GPR profile shows a series of anomalies linked to an entrance to a castle cellar