Mexico's 911 Waiting for the Perfect Storm
alvaro obregon, are not, authorities, be used, canals, capital, civil protection, dams, flooding, hillsides, hurricane katrina, julieta colon, mexico, mexico city, miguel elias moreno, mud, municipal, municipal sewer system, new orleans, perfect storm, rainy, reservoirs, risk, rogerio rojo, santa fe, sewage, water, with mud