Earthquake made 1.3 million Haitians homeless.
In total, 20,000 emergency housing will be built and it is urgent to get ready before the rainy season culminates.
The remains of what once was the capital must be transported away and rebuilt.
The homeless people have already had a hunch of what is expected later, the rain began month earlier than usual.
The earthquake in Haiti in 2010 had a magnitude of about 7.8 on the Richter scale.
The Prime Minister of Haiti, Jean-Max Bellerive has reported 212,000 confirmed deaths, and about 300,000 injured.
The earthquake creates mental discomfort that manifests itself in expressions of stomach cataracts, headaches and insomnia.
When people in thousands crowded together in tent camps, the possibility to go to the bathroom and wash their hands is not easy.
Water and logistics are among the most important to assist the victims of Haiti.
Even before the earthquake, 70 percent of the population was out of work in Haiti.
Somewhere to live, toilets and water supply must be arranged before the rain and the hurricane season hits the Haitians.
"When the skyfall comes in, I'm crawling into a corner under my cotton fabric, and there I stay all night, say 70-year-old Myrtha