Finding a dry spot

Thai volunteers take part in a clean-up along a major road in Bangkok on November 20, 2011. Thailand's premier declared central Bangkok safe from the kingdom's devastating floods November 19, as the death toll passed 600 and President Barack Obama vowed the US will give whatever help it can.

Bangkok Metropolitan workers take part in a clean-up along a major road in Bangkok on November 20, 2011. Thailand's premier declared central Bangkok safe from the kingdom's devastating floods November 19, as the death toll passed 600 and President Barack Obama vowed the US will give whatever help it can.

A woman walks along the only dry area along a flooded street in the district of Rangsit November 18, 2011 in Bangkok, Thailand. 

People travel in a 'tuk-tuk' tricycle taxi improvised to run through floodwaters in Bangkok on November 18, 2011. More than 562 people have been killed across the country in Thailand's worst floods in half a century, which have inundated parts of the capital.

This aerial picture shows flooded houses in a suburb of Bangkok on November 19, 2011. Prime Minister Yingluck Shinawatra on November 19 declared central Bangkok safe from Thailand's worst floods in decades, as the death toll around the sodden kingdom approached 600.

A vehicle drives past a garbage pile in the center of the main road in Bangkok on November 18, 2011. More than 562 people have been killed across the country in Thailand's worst floods in half a century, which have inundated parts of the capital.