Saqqara served as capital of Egypt, Saqqara remained in use as a burial ground for nobles. Moreover, the area became an important destination for pilgrims to a number of cult centres. Activities sprang up around the Serapeum, and extensive underground galleries were cut into the rock as burial sites for large numbers of mummified ibises, baboons, cats, dogs, and falcons. Saqqara and the surrounding areas of Abusir and Dahshur suffered damage by looters during the 2011 Egyptian protests. Store rooms were broken into, but the monuments were mostly unharmed. During routine excavations in 2011 at the dog catacomb in Saqqara necropolis,
Saqqara inspired the monumental enclosure wall around the Step Pyramid complex. Djoser's funerary complex, built by the royal architect Imhotep, further comprises a large number of dummy buildings and a secondary mastaba (the so-called 'Southern Tomb'). French architect and Egyptologist Jean-Philippe Lauer spent the greater part of his life excavating and restoring Djoser's funerary complex. Nearly all Fourth Dynasty kings chose a different location for their pyramids. During the second half of the Old Kingdom, under the Fifth and Sixth Dynasties, Saqqara was again the royal burial ground. The Fifth and Sixth Dynasty pyramids are not built wholly of massive stone