The fourth season of archaeological fieldwork by a Polish–Slovak team at Tell el-Retaba in Wadi Tumilat in the Nile Delta led to the excavation of barracks or workshops belonging to a fortress of Ramesses II . The strategically located New Kingdom fortresses guarded the passage from Egypt to Sinai and Syria-Palestine. Investigations also focused on a monumental migdol gate leading to a fortress built in the reign of Ramesses III . Among the most interesting discoveries is a Third Intermediate Period stable with tethering stones made of blocks quarried from a New Kingdom temple.