A Louisiana National Guard humvee drives down Bourbon Street in the French Quarter as Hurricane Isaac approaches New Orleans, Louisiana, August 28, 2012. Hurricane Isaac gathered strength as it bore down on New Orleans on Tuesday, bringing high winds and soaking rains that will pose the first major test to the city's multibillion-dollar flood protections, seven years after Katrina devastated the U.S. Gulf Coast. REUTERS/Jonathan Bachman (UNITED STATES - Tags: ENVIRONMENT DISASTER) Published: Srp. 28, 2012, 11:39 odp. | Foto: Reuters