Puerto Ricans vow to rebuild after Maria devastates the island

After the strongest hurricane hits Puerto Rico in more than 80 years, residents unite with aid workers for recovery efforts. 

Carlos Giusti/AP

Tens of thousands of Puerto Ricans stunned by a hurricane that knocked out power for the whole island and paralyzed the United States territory with landslides, flooding, and downed trees vowed to slowly rebuild amid an economic crisis as rescue crews fanned out Thursday.