sentences:  Several villages moved their buildings slightly further back from the sea when they rebuilt.Scientists from the University of Papua New Guinea initiated a public awareness program for the residents of the coastal area affected by the tsunami, to tell them that scientific models have concluded that the geology of the surrounding area causes the destructive waves to focus their energy on that area, making it a very dangerous place to live.The scientists also recommended that the Papua New Guinea government improve the escape routes for the villages and improve the tsunami warning system.