Given the question: Solo River (alternatively Bengawan Solo River with Bengawan being an Old Javanese word for river) is the longest river in the Indonesian island of Java it is approximately 600 km in length. Apart from its importance as a watercourse to the inhabitants and farmlands of the eastern and northern parts of the island it is a renowned region in paleoanthropology circles. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
The answer is:
Natural Place