VOICED: Making Baghdad a really green zone

The video discusses the historical use of concrete blocks in Baghdad for security purposes and their subsequent removal due to improved safety. The decline in demand has led to the cessation of production and job losses. Alternative security measures, such as thornbushes, are being considered. The video also explores potential future uses for the redundant blocks, including creating a memorial sculpture.

What alternative solution for security is proposed by Jean Marie Zimmerman?

What idea was suggested for the redundant concrete blocks?