. >>> the micong river in cam bodian have broken its a breaks.ing around the capitol could be the worst in 17 years. >> reporter: cambodia is one of the world's least developed countries, but it has a big united nation presence and non-governmental organization presence, so the response to this flooding has been quite rapid and thorough. heavy rains since the third week of september added to a typhoon that has just hit the neighboring country of vietnam, have attributed to high waters along the river here in cambodia. what that has meant is that 10 out of 24 provinces have been affected by the flooding, 370,000 people have been affected all together, and 43,000 have had to leave their homes. the assessments aren't finished yet on what the effect has been on infrastructure, roads, bridges, schools have had to close down. they have been flooded and pagodas as well. what we're saying is the annual rainy season becoming more and more of a challenge across the entire greater micong region as climate change kicks in, and it's increasingly difficult for