Three large pits, known as "kouloures" (rings), with stone-lined walls were built in the West Court during the Old Palace period (1900-1700B.C.)

The fresco of the procession, representing groups of men and women in processional array, carrying precious obcects. A fragment of the magnificent painting that decorated the walls of the "Processional Corridor" from the west Court to the Great Propylaeum of the palace at Knossos. - Neopalatial Period (1500 - 1450 BC) - Heraklion Museum

A roofed area opening onto the West Court. The east wall was decorated with a bull-leaping fresco. From here began the long "Corridor of the Procession".

The "Corridor of the Procession", according to Evans, initially led to the "South Propylaeum" and continued on to the Central Court.

The staircase that leads to the west wing upper halls - Piano Nobile - from the central court of the palace at Knossos.