Phchum Ben 2009 Exodus from Phnom Penh

Cambodians, along with their belongings, pile up on a pickup truck driven in the capital Phnom Penh's outskirts, Cambodia, Thursday, Sept. 17, 2009. Thousands of Cambodians head homes in the countryside to celebrate the traditional Pchum Ben festival for the dead. The celebrations run from Sept. 18 to 20. (AP Photo/Heng Sinith)
Cambodian people drive motorbikes on a busy street in the capital Phnom Penh's outskirts in Cambodia, Thursday, Sept. 17, 2009. Thousands of Cambodians head homes in the countryside to celebrate the traditional Pchum Ben festival for the dead. The celebrations run from Sept. 18 to 20. (AP Photo/Heng Sinith)
Cambodians, along with their belongings, pile up on a pickup truck in the capital Phnom Penh's outskirts in Cambodia, Thursday, Sept. 17, 2009. Thousands of Cambodians head homes in the countryside to celebrate the traditional Pchum Ben festival for the dead. The celebrations run from Sept. 18 to 20. (AP Photo/Heng Sinith)