sentences:  Lasogród eventually developed into a defensive fort, the remains of which were destroyed in the 19th century during expansion of the city.However, some German sources say no archaeological or written records support notions of an early West Slavic or Lechitic settlement nor the existence of a castle before the late 13th century.They also denounce the idea that during the Middle Ages the area of Wałbrzych was part of an unpopulated Silesian forest, known as the Silesian Przesieka.