Harroniyeh dome - Tus In the northeast of Mashhad and near Ferdowsi's mausoleum and in a broad weald there is a square mausoleum with a dome. It is ascribed to the eighth century AH. The dome is a two-layer and brick one. There are several rooms above the main wall which are similar to the mausoleums of Sultan Sanjar and Oljayto.