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Residents clean their clothes along a river as floods recede in suburban Marikina city, east of Manila, Philippines, Friday Aug. 10, 2012. Philippine disaster officials were shifting Friday from rescue work to a massive clean-up of the capital following nonstop rains that left tons of muck and debris from floods littering the city. (AP Photo/Aaron Favila)

Formidable clean-up ahead for Philippines

The torrential monsoon rains that began Sunday, August 5, left at least 100 people dead in the worst flooding in Manila

since 2009. More than half of the sprawling metropolis of 12 million

was submerged at the peak of the floods, and schools and offices closed

for days.