Iraq. Najaf. A group of iranians pilgrims (men and women) on their way to the Holy Shrine of Imam Ali. An old woman wearing a hijab on her head is carried on a handcart. Other women are walking and wearing the tchador. Shias regard Ali as the first Imam and consider him and his descendants the rightful successors to Muhammad. The word hijab (or hidjab) refers to both the veil covering the head and traditionally worn by muslim women (Islamic headscarf), but also the modest muslim styles of dress in general. A chador is an outer garment or open cloak worn by many Iranian women and female teenagers in public spaces. Wearing this garment is one possible way in which a Muslim woman can follow the Islamic dress code known as