Gudrun Corvinus was a German archaeologist of the Nepal Research Centre in Kathmandu. She explored the Nepal region, specifically the Dang Deokhuri District, Dun valley, and Siwalik Hills. Archaeology or sometimes in American English archeology (from the Greek words αρχαίος = ancient and λόγος = word/speech) is the study of human cultures through the recovery, documentation and analysis of material remains, including architecture, artefacts, biofacts, human remains, and landscapes. ... == This article is about the city. ... The Siwalik Hills (sometimes spelled Shiwalik, Shivalik, or Sivalik) are a sub-Himalayan mountain range running 1,600 km long from the Tista River, Sikkim, through Nepal and India, into northern Pakistan. ...