Michael Roa visited one of the points in the city of New Orleans where there are floodgates that help mitigate the risk of flooding and shows us how they work.
This is how the system that protects New Orleans from floods works | Video | CNN
2020-09-14T18:50:24.391Z
Michael Roa visited one of the points in the city of New Orleans where there are floodgates that help mitigate the risk of flooding and shows us how | United States | CNN
