article_snippet: Professor Marcela Sepulveda, an archaeologist at the University of Tarapacá, said: 'In the last 10 years, the process has accelerated. '
article_snippet: Arica and the surrounding Atacama Desert is one of the driest places in the world and Atacama Desert receives less than 0.02 inches of rain a year.
article_snippet: However, the region has been growing slowly damper in recent years.