The document summarizes the evolution of Beirut from a regional economic node to a war-torn city and its reconstruction efforts. It discusses how Beirut transformed from a small port town in the 1800s to Lebanon's capital and a center for finance, tourism and culture by the 1950s-70s due to infrastructure development. However, waves of refugees and conflict led to its decline starting in 1975 during the civil war. The fighting destroyed infrastructure like the airport and port. Reconstruction began in 1991 under Solidere to rebuild Beirut as a global city center again, but faced challenges from political instability and violence.