The 16th session of the project review titled "Arbaeen 2030 Vision for hosting 50 million pilgrims" was held at the Misbah Al-Hussein Cultural and Charitable Foundation in Karbala. In addition to the chief executive officer and other officials of the Misbah Al-Hussein Foundation, several guests with expertise in urban planning and construction were present at this session. The attending working team provided a brief explanation of their activities related to the mentioned project and subsequently received suggestions from the participants. During the session, the attendees expressed their willingness to increase efforts in fulfilling the study requirements proposed by the institution to the relevant authorities in order to appropriately develop the holy city of Karbala in accordance with its status and position. They also discussed the monitoring of news related to the visitation days in Iraq, especially during the sacred Arbaeen pilgrimage, and the influx of visitors to Iraq.