Some Syrians hope that their loved ones detained under Bashar al-Assad's regime are still alive.
Those who expressed any form of dissent disappeared, and tens of thousands were tortured or killed in the country's notorious prisons.
Crowds gathered in the capital's notorious Sednaya prison, hoping to find any trace of their loved ones.
Assad's government collapsed following a major rebel offensive led by the armed Islamist group Hay'at Tahrir al-Sham.
